CVE-2011-4315
MEDIUM severity · CVSS 6.8 · Out-of-bounds write
6.8CVSS MEDIUM
Summary
Heap-based buffer overflow in compression-pointer processing in core/ngx_resolver.c in nginx before 1.0.10 allows remote resolvers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a long response.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)6%
AV:N/AC:M/Au:N/C:P/I:P/A:P
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://openwall.com/lists/oss-security/2011/11/17/10 ↗
Additional information
- NVD record
- http://openwall.com/lists/oss-security/2011/11/17/10Patch
- http://openwall.com/lists/oss-security/2011/11/17/8Patch
- http://trac.nginx.org/nginx/changeset/4268/nginxPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070569.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00005.htmlAdvisory
- http://secunia.com/advisories/47097Advisory
- http://secunia.com/advisories/48577Advisory
- http://security.gentoo.org/glsa/glsa-201203-22.xmlAdvisory