Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103730.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103770.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103794.html
http://rhn.redhat.com/errata/RHSA-2013-0729.html
http://rhn.redhat.com/errata/RHSA-2013-0868.html
http://secunia.com/advisories/52725
http://www.debian.org/security/2013/dsa-2711
Published: 2013-04-10
Base Score: 5.1
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P
Severity: Medium