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Debian: Security Advisory for tor (DSA-4961-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'tor' package(s) announced via the DSA-4961-1 advisory.
Insight
Insight
Henry de Valence reported a flaw in the signature verification code in Tor, a connection-based low-latency anonymous communication system. A remote attacker can take advantage of this flaw to cause an assertion failure, resulting in denial of service.
Affected Software
Affected Software
'tor' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the oldstable distribution (buster), this problem has been fixed in version 0.3.5.16-1. For the stable distribution (bullseye), this problem has been fixed in version 0.4.5.10-1~deb11u1. We recommend that you upgrade your tor packages.