7.5 High
CVSS2
Access Vector
NETWORK
Access 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
90.2%
Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2
through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a
denial of service (memory corruption and server termination) via a long
name in a DNS lookup request.
Author | Note |
---|---|
mdeslaur | this only affects 3.2+ although upstream has a patch for older versions, 3.1 and older perform URL validation before hitting the affected code, so they aren’t vulnerable to the security issue. saucy has vulnerable version in -proposed |