Integer overflow in LZ4 - CVE-2014-4611
Published: July 3, 2014 / Updated: May 24, 2021
Vulnerability identifier: #VU41504
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-4611
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
the vulnerability exists due to integer overflow in the LZ4 algorithm implementation, as used in the lz4_uncompress function in lib/lz4/lz4_decompress.c in the Linux kernel on 32-bit platforms. A remote attacker create a specially crafted archive, trick the victim into opening it, trigger integer overflow and execute arbitrary code on the system.
Affected software
LZ4
Linux kernel
Ubuntu
linux-lts-saucy (Ubuntu package)
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
Linux kernel
Ubuntu
linux-lts-saucy (Ubuntu package)
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
How to mitigate CVE-2014-4611
Install update from vendor's website.
LZ4 - update to r118
Linux kernel - update to 3.15.2
linux-lts-saucy (Ubuntu package) - update to 3.11.0-26.45~precise1
linux (Ubuntu package) - update to 3.13.0-32.57
linux-lts-trusty (Ubuntu package) - update to 3.13.0-32.57~precise1
Linux kernel - update to 3.15.2
linux-lts-saucy (Ubuntu package) - update to 3.11.0-26.45~precise1
linux (Ubuntu package) - update to 3.13.0-32.57
linux-lts-trusty (Ubuntu package) - update to 3.13.0-32.57~precise1
External References
- http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html
- http://fastcompression.blogspot.fr/2014/06/debunking-lz4-20-years-old-bug-myth.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=206204a1162b995e2185275167b22468c00d6b36
- http://lists.opensuse.org/opensuse-updates/2014-07/msg00025.html
- http://secunia.com/advisories/59567
- http://secunia.com/advisories/59770
- http://secunia.com/advisories/60238
- http://twitter.com/djrbliss/statuses/484931749013495809
- http://twitter.com/djrbliss/statuses/485042901399789568
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- http://www.openwall.com/lists/oss-security/2014/06/26/24
- http://www.securitytracker.com/id/1030491
- https://bugzilla.redhat.com/show_bug.cgi?id=1112436
- https://code.google.com/p/lz4/issues/detail?id=52
- https://code.google.com/p/lz4/source/detail?r=118
- https://github.com/torvalds/linux/commit/206204a1162b995e2185275167b22468c00d6b36
- https://www.securitymouse.com/lms-2014-06-16-5
- https://www.securitymouse.com/lms-2014-06-16-6