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Test ID:1.3.6.1.4.1.25623.1.0.892691
Category:Debian Local Security Checks
Title:Debian LTS: Security Advisory for libgcrypt20 (DLA-2691-1)
Summary:The remote host is missing an update for the 'libgcrypt20'; package(s) announced via the DLA-2691-1 advisory.
Description:Summary:
The remote host is missing an update for the 'libgcrypt20'
package(s) announced via the DLA-2691-1 advisory.

Vulnerability Insight:
An issue has been found in libgcrypt20, a crypto library.
Mishandling of ElGamal encryption results in a possible side-channel
attack and an interoperability problem with keys not generated by
GnuPG/libgcrypt.

Affected Software/OS:
'libgcrypt20' package(s) on Debian Linux.

Solution:
For Debian 9 stretch, this problem has been fixed in version
1.7.6-2+deb9u4.

We recommend that you upgrade your libgcrypt20 packages.

CVSS Score:
5.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-33560
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