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CVE-2015-2331

Published: 30 March 2015

Integer overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a ZIP archive that contains many entries, leading to a heap-based buffer overflow.

Notes

AuthorNote
mdeslaur
libzip in trusty and earlier doesn't support ZIP64, so doesn't
look vulnerable.
php5 in utopic and earlier doesn't support ZIP64 either.
sbeattie
fixed in libzip 1.0 release

Priority

Medium

Status

Package Release Status
libzip
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise Not vulnerable
(0.10-1ubuntu1)
trusty Not vulnerable
(0.10.1-1.2)
upstream
Released (0.11.2-1.2)
utopic Ignored
(end of life)
vivid Ignored
(end of life)
wily Not vulnerable
(1.0.1-0ubuntu1)
Patches:
upstream: http://hg.nih.at/libzip/rev/9f11d54f692e

php5
Launchpad, Ubuntu, Debian
lucid Not vulnerable
(5.3.2-1ubuntu4.29)
precise Not vulnerable
(5.3.10-1ubuntu3.17)
trusty Not vulnerable
(5.5.9+dfsg-1ubuntu4.7)
upstream Needs triage

utopic Not vulnerable
(5.5.12+dfsg-2ubuntu4.3)
vivid
Released (5.6.4+dfsg-4ubuntu4)
wily
Released (5.6.4+dfsg-4ubuntu4)
Patches:

upstream: http://git.php.net/?p=php-src.git;a=commit;h=4a8d8b4154334b1714e19b82b061201d41dc87d6