Test ID:	1.3.6.1.4.1.25623.1.0.892691
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-2691-1)
Summary:	The remote host is missing an update for the Debian 'libgcrypt20' package(s) announced via the DLA-2691-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian '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. For Debian 9 stretch, this problem has been fixed in version 1.7.6-2+deb9u4. We recommend that you upgrade your libgcrypt20 packages. For the detailed security status of libgcrypt20 please refer to its security tracker page at: [link moved to references] Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'libgcrypt20' package(s) on Debian 9. Solution: Please install the updated package(s). CVSS Score: 2.6 CVSS Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-40528 https://security.gentoo.org/glsa/202210-13 https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=3462280f2e23e16adf3ed5176e0f2413d8861320 https://eprint.iacr.org/2021/923 https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1 https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2
Copyright	Copyright (C) 2021 Greenbone AG

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