CVE-2018-0734 (Medium) detected in opensslOpenSSL_1_1_1w

[mend-bolt-for-github]

CVE-2018-0734 - Medium Severity Vulnerability

Vulnerable Library - opensslOpenSSL_1_1_1w

TLS/SSL and crypto library

Library home page: https://github.com/openssl/openssl.git

Found in HEAD commit: 816463d989cc5839c1cca2efb5bf2503408507fb

Found in base branches: stable/4.0, master

Vulnerable Source Files (1)

/crypto/openssl/crypto/dsa/dsa_ossl.c

Vulnerability Details

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).

Publish Date: 2018-10-30

URL: CVE-2018-0734

CVSS 3 Score Details (5.9)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0734

Release Date: 2018-10-30

Fix Resolution: 1.0.2q,1.1.0j,1.1.1a,openssl - 1.0.2p,https://github.com/openssl/openssl.git - openssl-1.0.2q,https://github.com/openssl/openssl.git - openssl-1.1.0j,https://github.com/openssl/openssl.git - openssl-1.1.1a

---

Step up your Open Source Security Game with Mend here

[laffer1]

false positive.