Debian Security Advisory

DLA-994-1 zziplib -- LTS security update

Date Reported:
20 Jun 2017
Affected Packages:
zziplib
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2017-5974, CVE-2017-5975, CVE-2017-5976, CVE-2017-5978, CVE-2017-5979, CVE-2017-5980, CVE-2017-5981.
More information:
  • CVE-2017-5974

    Heap-based buffer overflow in the __zzip_get32 function in fetch.c in zziplib allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.

  • CVE-2017-5975

    Heap-based buffer overflow in the __zzip_get64 function in fetch.c in zziplib allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.

  • CVE-2017-5976

    Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.

  • CVE-2017-5978

    The zzip_mem_entry_new function in memdisk.c in zziplib allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ZIP file.

  • CVE-2017-5979

    The prescan_entry function in fseeko.c in zziplib allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

  • CVE-2017-5980

    The zzip_mem_entry_new function in memdisk.c in zziplib allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

  • CVE-2017-5981

    seeko.c in zziplib allows remote attackers to cause a denial of service (assertion failure and crash) via a crafted ZIP file.

For Debian 7 Wheezy, these problems have been fixed in version 0.13.56-1.1+deb7u1.

We recommend that you upgrade your zziplib packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS