GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Mon Mar 16, 2020 12:26 am Post subject: [ GLSA 202003-32 ] Libgcrypt |
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Gentoo Linux Security Advisory
Title: Libgcrypt: Side-channel attack (GLSA 202003-32)
Severity: low
Exploitable: local
Date: 2020-03-15
Bug(s): #693108
ID: 202003-32
Synopsis
A vulnerability in Libgcrypt could allow a local attacker to
recover sensitive information.
Background
Libgcrypt is a general purpose cryptographic library derived out of
GnuPG.
Affected Packages
Package: dev-libs/libgcrypt
Vulnerable: < 1.8.5
Unaffected: >= 1.8.5
Architectures: All supported architectures
Description
A timing attack was found in the way ECCDSA was implemented in
Libgcrypt.
Impact
A local man-in-the-middle attacker, during signature generation, could
possibly recover the private key.
Workaround
There is no known workaround at this time.
Resolution
All Libgcrypt users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libgcrypt-1.8.5"
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References
CVE-2019-13627 |
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