CVE-2013-4123
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
6.0
Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 12.3 | affected | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| squid-cache | squid | 3.3.0 | |
| squid-cache | squid | 3.3.0.2 | |
| squid-cache | squid | 3.3.0.3 | |
| squid-cache | squid | 3.3.1 | |
| squid-cache | squid | 3.3.2 | |
| squid-cache | squid | 3.3.3 | |
| squid-cache | squid | 3.3.4 | |
| squid-cache | squid | 3.3.5 | |
| squid-cache | squid | 3.3.6 | |
| squid-cache | squid | 3.3.7 | |
| squid-cache | squid | 3.2.0.1 | |
| squid-cache | squid | 3.2.0.2 | |
| squid-cache | squid | 3.2.0.3 | |
| squid-cache | squid | 3.2.0.4 | |
| squid-cache | squid | 3.2.0.5 | |
| squid-cache | squid | 3.2.0.6 | |
| squid-cache | squid | 3.2.0.7 | |
| squid-cache | squid | 3.2.0.8 | |
| squid-cache | squid | 3.2.0.9 | |
| squid-cache | squid | 3.2.0.10 | |
| squid-cache | squid | 3.2.0.11 | |
| squid-cache | squid | 3.2.0.12 | |
| squid-cache | squid | 3.2.0.13 | |
| squid-cache | squid | 3.2.0.14 | |
| squid-cache | squid | 3.2.0.15 | |
| squid-cache | squid | 3.2.0.16 | |
| squid-cache | squid | 3.2.0.17 | |
| squid-cache | squid | 3.2.0.18 | |
| squid-cache | squid | 3.2.0.19 | |
| squid-cache | squid | 3.2.1 | |
| squid-cache | squid | 3.2.2 | |
| squid-cache | squid | 3.2.3 | |
| squid-cache | squid | 3.2.4 | |
| squid-cache | squid | 3.2.5 | |
| squid-cache | squid | 3.2.6 | |
| squid-cache | squid | 3.2.7 | |
| squid-cache | squid | 3.2.8 | |
| squid-cache | squid | 3.2.9 | |
| squid-cache | squid | 3.2.10 | |
| squid-cache | squid | 3.2.11 | |
| squid-cache | squid | 3.2.12 | |
References
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00024.html
- http://secunia.com/advisories/54142
- http://secunia.com/advisories/54834
- http://www.squid-cache.org/Advisories/SQUID-2013_3.txt
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11826.patch
- http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12591.patch
- https://security-tracker.debian.org/tracker/CVE-2013-4123
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.