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CVE-2013-4123

MEDIUM severity · CVSS 5 · Improper input validation
5CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges required
User interaction
Confidentiality impactNone
Integrity impactNone
Availability impact
Exploit probability (EPSS)80%

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11826.patch ↗