Unchecked Return Value Affecting csync2 package, versions <2.0-r3


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.1% (44th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALPINE321-CSYNC2-8483491
  • published6 Dec 2024
  • disclosed30 Dec 2020

Introduced: 30 Dec 2020

CVE-2019-15523  (opens in a new tab)
CWE-252  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 csync2 to version 2.0-r3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream csync2 package and not the csync2 package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this function again, as required by the design of the API.

CVSS Scores

version 3.1