Debian Security Advisory
DSA-1869-1 curl -- insufficient input validation
- Date Reported:
- 19 Aug 2009
- Affected Packages:
- curl
- Vulnerable:
- Yes
- Security database references:
- In the Debian bugtracking system: Bug 541991.
In Mitre's CVE dictionary: CVE-2009-2417. - More information:
-
It was discovered that curl, a client and library to get files from servers using HTTP, HTTPS or FTP, is vulnerable to the "Null Prefix Attacks Against SSL/TLS Certificates" recently published at the Blackhat conference. This allows an attacker to perform undetected man-in-the-middle attacks via a crafted ITU-T X.509 certificate with an injected null byte in the Common Name field.
For the oldstable distribution (etch), this problem has been fixed in version 7.15.5-1etch3.
For the stable distribution (lenny), this problem has been fixed in version 7.18.2-8lenny3.
For the testing (squeeze) and unstable (sid) distribution, this problem will be fixed soon.
We recommend that you upgrade your curl packages.
- Fixed in:
-
Debian GNU/Linux 4.0 (etch)
- Source:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3.diff.gz
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5.orig.tar.gz
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3.dsc
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5.orig.tar.gz
- Architecture-independent component:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dev_7.15.5-1etch3_all.deb
- Alpha:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_arm.deb
- HP Precision:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_hppa.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_ia64.deb
- Big-endian MIPS:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_mips.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_s390.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_s390.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_s390.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_s390.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_s390.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_s390.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_s390.deb
Debian GNU/Linux 5.0 (lenny)
- Source:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3.dsc
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3.diff.gz
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2.orig.tar.gz
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_alpha.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_amd64.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_arm.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_arm.deb
- ARM EABI:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_armel.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_armel.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_armel.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_armel.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_armel.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_armel.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_armel.deb
- HP Precision:
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_hppa.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_hppa.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_i386.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_ia64.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_ia64.deb
- Big-endian MIPS:
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_mips.deb
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_mips.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_powerpc.deb
- http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_powerpc.deb
MD5 checksums of the listed files are available in the original advisory.