CVE-2017-7526CWE-200

libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method…

Medium · published July 26, 2018

CVSS v3.0
6.1
EPSS
4%
Percentile
90.0
In the wild
Unconfirmed
What it is

libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method for computing the sliding-window expansion. The same attack is believed to work on RSA-2048 with moderately more computation. This side-channel requires that attacker can run arbitrary software on the hardware where the private RSA key is used.

The record
Technical detail
CVSS v3.0
6.1 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.03835 · 90.0th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2018-07-26T13:00Z
EPSS history
Timeline
  • 26 JUL 13:00Z
    libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method…
    cvelistv5