Input validation error in HAProxy - CVE-2014-6269
Published: September 30, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41249
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-2014-6269
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: HAProxy
Affected software:
HAProxy
HAProxy
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Multiple integer overflows in the http_request_forward_body function in proto_http.c in HAProxy 1.5-dev23 before 1.5.4 allow remote attackers to cause a denial of service (crash) via a large stream of data, which triggers a buffer overflow and an out-of-bounds read.
How to mitigate CVE-2014-6269
Install update from vendor's website.
Sources
- http://article.gmane.org/gmane.comp.web.haproxy/17726
- http://article.gmane.org/gmane.comp.web.haproxy/18097
- http://git.haproxy.org/?p=haproxy-1.5.git;a=commitdiff;h=b4d05093bc89f71377230228007e69a1434c1a0c
- http://rhn.redhat.com/errata/RHSA-2014-1292.html
- http://secunia.com/advisories/59936
- http://secunia.com/advisories/61507
- http://www.openwall.com/lists/oss-security/2014/09/09/23