Vulnerability Details : CVE-2013-1912
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.
Vulnerability category: OverflowExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-1912
Probability of exploitation activity in the next 30 days: 8.63%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-1912
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.1
|
MEDIUM | AV:N/AC:H/Au:N/C:P/I:P/A:P |
4.9
|
6.4
|
NIST |
CWE ids for CVE-2013-1912
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-1912
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http://www.openwall.com/lists/oss-security/2013/04/03/1
oss-security - CVE-2013-1912 : haproxy may crash on TCP content inspection rules
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http://rhn.redhat.com/errata/RHSA-2013-0868.html
RHSA-2013:0868 - Security Advisory - Red Hat Customer Portal
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http://rhn.redhat.com/errata/RHSA-2013-0729.html
RHSA-2013:0729 - Security Advisory - Red Hat Customer PortalVendor Advisory
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http://www.ubuntu.com/usn/USN-1800-1
USN-1800-1: HAProxy vulnerabilities | Ubuntu security notices
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http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103794.html
[SECURITY] Fedora 19 Update: haproxy-1.4.23-2.fc19
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http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103770.html
[SECURITY] Fedora 17 Update: haproxy-1.4.23-1.fc17
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http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103730.html
[SECURITY] Fedora 18 Update: haproxy-1.4.23-1.fc18
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http://www.securityfocus.com/bid/58820
HAProxy 'tcp-request content' CVE-2013-1912 Buffer Overflow Vulnerability
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http://www.debian.org/security/2013/dsa-2711
Debian -- Security Information -- DSA-2711-1 haproxy
Products affected by CVE-2013-1912
- cpe:2.3:a:haproxy:haproxy:1.4:*:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.4.20:*:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.4.22:*:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.5:dev:*:*:*:*:*:*
- cpe:2.3:a:haproxy:haproxy:1.5:dev17:*:*:*:*:*:*