Security Information / 2015 / Security Information -- DSA-3386-1 unzip

Debian Security Advisory

DSA-3386-1 unzip -- security update

Date Reported:

31 Oct 2015

Affected Packages:

unzip

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 802160, Bug 802162.
In Mitre's CVE dictionary: CVE-2015-7696, CVE-2015-7697.

More information:

Two vulnerabilities have been found in unzip, a de-archiver for .zip files. The Common Vulnerabilities and Exposures project identifies the following problems:

• CVE-2015-7696

  Gustavo Grieco discovered that unzip incorrectly handled certain password protected archives. If a user or automated system were tricked into processing a specially crafted zip archive, an attacker could possibly execute arbitrary code.

• CVE-2015-7697

  Gustavo Grieco discovered that unzip incorrectly handled certain malformed archives. If a user or automated system were tricked into processing a specially crafted zip archive, an attacker could possibly cause unzip to hang, resulting in a denial of service.

For the oldstable distribution (wheezy), these problems have been fixed in version 6.0-8+deb7u4.

For the stable distribution (jessie), these problems have been fixed in version 6.0-16+deb8u1.

For the testing distribution (stretch), these problems have been fixed in version 6.0-19.

For the unstable distribution (sid), these problems have been fixed in version 6.0-19.

We recommend that you upgrade your unzip packages.