GLSA-200604-09 : Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service
Low Nessus Plugin ID 21255
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-200604-09 (Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service)
Cyrus-SASL contains an unspecified vulnerability in the DIGEST-MD5 process that could lead to a Denial of Service.
An attacker could possibly exploit this vulnerability by sending specially crafted data stream to the Cyrus-SASL server, resulting in a Denial of Service even if the attacker is not able to authenticate.
There is no known workaround at this time.
SolutionAll Cyrus-SASL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/cyrus-sasl-2.1.21-r2'