Input validation error in ClamAV - CVE-2011-3627
Published: November 17, 2011 / Updated: August 4, 2020
Vulnerability identifier: #VU33960
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3627
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ClamAV
Affected software:
ClamAV
ClamAV
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The bytecode engine in ClamAV before 0.97.3 allows remote attackers to cause a denial of service (crash) via vectors related to "recursion level" and (1) libclamav/bytecode.c and (2) libclamav/bytecode_api.c.
How to mitigate CVE-2011-3627
Install update from vendor's website.
Sources
- http://git.clamav.net/gitweb?p=clamav-devel.git;a=commitdiff;h=3d664817f6ef833a17414a4ecea42004c35cc42f
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html
- http://secunia.com/advisories/46717
- http://secunia.com/advisories/46826
- http://www.openwall.com/lists/oss-security/2011/10/18/1
- http://www.securityfocus.com/bid/50183
- http://www.ubuntu.com/usn/USN-1258-1
- https://bugzilla.redhat.com/show_bug.cgi?id=746984