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Test ID:1.3.6.1.4.1.25623.1.0.704961
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DSA-4961-1)
Summary:The remote host is missing an update for the Debian 'tor' package(s) announced via the DSA-4961-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'tor' package(s) announced via the DSA-4961-1 advisory.

Vulnerability 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.

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.

For the detailed security status of tor please refer to its security tracker page at: [link moved to references]

Affected Software/OS:
'tor' package(s) on Debian 10, Debian 11.

Solution:
Please install the updated package(s).

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-38385
https://security.gentoo.org/glsa/202305-11
https://blog.torproject.org
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