All errata/sisyphus/ALT-PU-2015-1541-1
ALT-PU-2015-1541-1

Package update libgcrypt in branch sisyphus

Version1.6.3-alt1
Task#144702
Published2015-06-15
Max severityMEDIUM
Severity:

Closed issues (2)

CVE-2014-3591
MEDIUM4.2

Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.

Published: 2019-11-29Modified: 2024-11-21
CVSS 2.0LOW 1.9
CVSS:2.0/AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS 3.xMEDIUM 4.2
CVSS:3.x/CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References
CVE-2015-0837
MEDIUM5.9

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."

Published: 2019-11-29Modified: 2024-11-21
CVSS 2.0MEDIUM 4.3
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS 3.xMEDIUM 5.9
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References