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Use of a Broken or Risky Cryptographic Algorithm Affecting openssl1.0 package, versions <1.0.2n-1ubuntu5.1

Severity

low

    Threat Intelligence

    EPSS
    1.03% (84th percentile)

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  • Snyk ID SNYK-UBUNTU1804-OPENSSL10-371885
  • published 16 Apr 2018
  • disclosed 16 Apr 2018
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Introduced: 16 Apr 2018

CVE-2018-0737 Open this link in a new tab
CWE-327 Open this link in a new tab

How to fix?

Upgrade Ubuntu:18.04 openssl1.0 to version 1.0.2n-1ubuntu5.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl1.0 package and not the openssl1.0 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).

References

CVSS Scores

version 3.1
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Snyk

5.9 low
  • 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
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NVD

5.9 medium
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SUSE

4.7 medium
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Red Hat

3.3 low