Advisories » MGASA-2018-0301

Updated libgcrypt packages fix security vulnerability

Publication date: 01 Jul 2018
Modification date: 01 Jul 2018
Type: security
Affected Mageia releases : 6
CVE: CVE-2018-0495

Description

When libgcrypt uses the private key to create a signature, such as for a
TLS or SSH connection, it inadvertently leaks information through memory
caches. An unprivileged attacker running on the same machine can collect
the information from a few thousand signatures and recover the value of
the private ECDSA or DSA key (CVE-2018-0495).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=23185
• https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html
• https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0495

SRPMS

6/core

• libgcrypt-1.7.10-1.mga6