Upstream information

CVE-2019-14318 at MITRE

Description

Crypto++ 8.3.0 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because scalar multiplication in ecp.cpp (prime field curves, small leakage) and algebra.cpp (binary field curves, large leakage) is not constant time and leaks the bit length of the scalar among other information.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.9
Vector AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Access Vector Network
Access Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.0
SUSE Bugzilla entries: 1143532 [RESOLVED / FIXED], 1145187 [RESOLVED / DUPLICATE]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 15.0
  • libcryptopp >= 5.6.5-lp150.2.3.1
  • libcryptopp-debugsource >= 5.6.5-lp150.2.3.1
  • libcryptopp-devel >= 5.6.5-lp150.2.3.1
  • libcryptopp5_6_5 >= 5.6.5-lp150.2.3.1
  • libcryptopp5_6_5-32bit >= 5.6.5-lp150.2.3.1
  • libcryptopp5_6_5-32bit-debuginfo >= 5.6.5-lp150.2.3.1
  • libcryptopp5_6_5-debuginfo >= 5.6.5-lp150.2.3.1
Patchnames:
openSUSE-2019-1968
openSUSE Leap 15.1
  • libcryptopp >= 5.6.5-lp151.3.3.1
  • libcryptopp-debugsource >= 5.6.5-lp151.3.3.1
  • libcryptopp-devel >= 5.6.5-lp151.3.3.1
  • libcryptopp5_6_5 >= 5.6.5-lp151.3.3.1
  • libcryptopp5_6_5-32bit >= 5.6.5-lp151.3.3.1
  • libcryptopp5_6_5-32bit-debuginfo >= 5.6.5-lp151.3.3.1
  • libcryptopp5_6_5-debuginfo >= 5.6.5-lp151.3.3.1
Patchnames:
openSUSE-2019-1968