Home/CVE/Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malform
CVE

CVE-2009-2622

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malform

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malformed requests including (1) "missing or mismatched protocol identifier," (2) missing or negative status value," (3) "missing version," or (4) "missing or invalid status number," related to (a) HttpMsg.cc and (b) HttpReply.cc.

MEDIUM · CVSS 5 EPSS 0.26189
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
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Weakness Classification

CWE-20Improper Input Validation
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Affected Products & Versions

1
squid-cache squidall versions
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cret@cert.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD28 Jul 2009 · 05:30 PM
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References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/36007
http://www.mandriva.com/security/advisories?name=MDVSA-2009:161
http://www.mandriva.com/security/advisories?name=MDVSA-2009:178
http://www.securityfocus.com/bid/35812
http://www.securitytracker.com/id?1022607
http://www.squid-cache.org/Advisories/SQUID-2009_2.txtVendor Advisory
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