7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.027 Low
EPSS
Percentile
90.6%
The “%xx” URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL (“%00”) character, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | squid | < 2.5.5-1 | squid_2.5.5-1_all.deb |
Debian | 11 | all | squid | < 2.5.5-1 | squid_2.5.5-1_all.deb |
Debian | 10 | all | squid | < 2.5.5-1 | squid_2.5.5-1_all.deb |
Debian | 999 | all | squid | < 2.5.5-1 | squid_2.5.5-1_all.deb |
Debian | 13 | all | squid | < 2.5.5-1 | squid_2.5.5-1_all.deb |