Covert Timing Channel Affecting compat-openssl10 package, versions *


Severity

Recommended
low

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.34% (72nd percentile)

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  • Snyk ID SNYK-CENTOS8-COMPATOPENSSL10-1938871
  • published 26 Jul 2021
  • disclosed 16 Oct 2018

How to fix?

There is no fixed version for Centos:8 compat-openssl10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream compat-openssl10 package and not the compat-openssl10 package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).

References

CVSS Scores

version 3.1
Expand this section

NVD

5.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None