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Debian LTS: Security Advisory for libgcrypt20 (DLA-2691-1)
Information
Severity
Severity
Medium
Family
Family
Debian Local Security Checks
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
The remote host is missing an update for the 'libgcrypt20' package(s) announced via the DLA-2691-1 advisory.
Insight
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
Affected Software
'libgcrypt20' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
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.