Improper input validation in Squid-Cache Squid
CVE-2013-4123
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.805 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.805 · newest: 0.805 · change: 0.000
Affected products
- Squid-Cache Squid — versions 3.3.0, 3.3.0.2, 3.3.0.3
- openSUSE — versions 12.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/54142 (Vendor Advisory, third-party-advisory)
- www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12591.patch
- www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11826.patch (Patch)
- secunia.com/advisories/54834 (third-party-advisory)
- www.squid-cache.org/Advisories/SQUID-2013_3.txt (Vendor Advisory)
- lists.opensuse.org/opensuse-updates/2013-09/msg00024.html (vendor-advisory)
Frequently asked questions
- What is CVE-2013-4123?
- CVE-2013-4123 is a vulnerability in Squid-Cache Squid, classified under Improper Input Validation. Published 2013-09-16.
- Is CVE-2013-4123 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.