Buffer overflow in libarchive - CVE-2011-1777
Published: April 13, 2012 / Updated: August 3, 2020
Vulnerability identifier: #VU33327
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-1777
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive through 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ISO9660 image.
Affected software
libarchive
Gentoo Linux
Fedora
libarchive (Alpine package)
libarchive
Gentoo Linux
Fedora
libarchive (Alpine package)
libarchive
How to mitigate CVE-2011-1777
Install update from vendor's website.
libarchive - update to 2.9.0
libarchive (Alpine package) - update to 3.0.2-r0
libarchive - addressed in versions 2.8.4-4.el5, 2.8.4-5.el5
libarchive (Alpine package) - update to 3.0.2-r0
libarchive - addressed in versions 2.8.4-4.el5, 2.8.4-5.el5
External References
- http://code.google.com/p/libarchive/source/detail?r=3158
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://secunia.com/advisories/48034
- http://support.apple.com/kb/HT5281
- http://www.debian.org/security/2012/dsa-2413
- https://bugzilla.redhat.com/show_bug.cgi?id=705849
- https://rhn.redhat.com/errata/RHSA-2011-1507.html