Signature Detail

APP: Squid Proxy Cache cachemgr.cgi Resource Exhaustion

This signature detects attempts to exploit a known vulnerability against Squid Proxy Cache. A successful attack can result in a denial-of-service condition.

Extended Description

Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST requests, or (3) crafted authentication credentials.

Affected Products

• squid-cache squid 2.0
• squid-cache squid 2.1
• squid-cache squid 2.2
• squid-cache squid 2.3
• squid-cache squid 2.4
• squid-cache squid 2.5
• squid-cache squid 2.6
• squid-cache squid 2.7 (stable3)
• squid-cache squid 2.7 (stable4)
• squid-cache squid 3.0 (-:pre1)
• squid-cache squid 3.0 (-:pre2)
• squid-cache squid 3.0 (-:pre3)
• squid-cache squid 3.0 (-:pre4)
• squid-cache squid 3.0 (-:pre5)
• squid-cache squid 3.0 (-:pre6)
• squid-cache squid 3.0 (-:pre7)
• squid-cache squid 3.0 (rc4)
• squid-cache squid 3.0.stable1
• squid-cache squid 3.0.stable10
• squid-cache squid 3.0.stable11 (rc1)
• squid-cache squid 3.0.stable12
• squid-cache squid 3.0.stable13
• squid-cache squid 3.0.stable14
• squid-cache squid 3.0.stable15
• squid-cache squid 3.0.stable16 (rc1)
• squid-cache squid 3.0.stable17
• squid-cache squid 3.0.stable18
• squid-cache squid 3.0.stable19
• squid-cache squid 3.0.stable2
• squid-cache squid 3.0.stable20
• squid-cache squid 3.0.stable21
• squid-cache squid 3.0.stable22
• squid-cache squid 3.0.stable23
• squid-cache squid 3.0.stable24
• squid-cache squid 3.0.stable25
• squid-cache squid 3.0.stable3
• squid-cache squid 3.0.stable4
• squid-cache squid 3.0.stable5
• squid-cache squid 3.0.stable6
• squid-cache squid 3.0.stable7
• squid-cache squid 3.0.stable8
• squid-cache squid 3.0.stable9
• squid-cache squid 3.1
• squid-cache squid 3.1.0.1
• squid-cache squid 3.1.0.10
• squid-cache squid 3.1.0.11
• squid-cache squid 3.1.0.12
• squid-cache squid 3.1.0.13
• squid-cache squid 3.1.0.14
• squid-cache squid 3.1.0.15
• squid-cache squid 3.1.0.16
• squid-cache squid 3.1.0.17
• squid-cache squid 3.1.0.18
• squid-cache squid 3.1.0.2
• squid-cache squid 3.1.0.3
• squid-cache squid 3.1.0.4
• squid-cache squid 3.1.0.5
• squid-cache squid 3.1.0.6
• squid-cache squid 3.1.0.7
• squid-cache squid 3.1.0.8
• squid-cache squid 3.1.0.9
• squid-cache squid 3.1.1
• squid-cache squid 3.1.10
• squid-cache squid 3.1.11
• squid-cache squid 3.1.12
• squid-cache squid 3.1.13
• squid-cache squid 3.1.14
• squid-cache squid 3.1.15
• squid-cache squid 3.1.16
• squid-cache squid 3.1.17
• squid-cache squid 3.1.18
• squid-cache squid 3.1.19
• squid-cache squid 3.1.2
• squid-cache squid 3.1.20
• squid-cache squid 3.1.21
• squid-cache squid 3.2.0.1
• 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 3.2.0.2
• 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 3.2.1
• squid-cache squid 3.2.2
• squid-cache squid 3.2.3
• squid-cache squid 3.3.0.1

References

• CVE: CVE-2012-5643