client_side_request.cc in Squid 3.2.x before 3.2.13 and 3.3.x before 3.3.8 allows remote attackers to cause a denial of service via a crafted port number in a HTTP Host header.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-4123 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 5 |
---|---|
Base Metrics | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Access Vector | Network |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | squid | Not affected |
Red Hat Enterprise Linux 6 | squid | Not affected |
Red Hat Enterprise Linux 5 | squid | Not affected |