CVE-2019-15523Unchecked Return Value in Csync2

Severity
5.3MEDIUMNVD
EPSS
0.7%
top 28.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 30
Latest updateMay 24

Description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

Debianlinbit/csync2< 2.0-25-gc0faaf9-1+3
NVDlinbit/csync22.0
debiandebian/csync2< csync2 2.0-25-gc0faaf9-1 (bookworm)

Also affects: Debian Linux 9.0

Patches

🔴Vulnerability Details

2
GHSA
GHSA-hw3p-w63h-mj9c: An issue was discovered in LINBIT csync2 through 22022-05-24
OSV
CVE-2019-15523: An issue was discovered in LINBIT csync2 through 22020-12-30

📋Vendor Advisories

1
Debian
CVE-2019-15523: csync2 - An issue was discovered in LINBIT csync2 through 2.0. It does not correctly chec...2019
CVE-2019-15523 — Unchecked Return Value in Csync2 | cvebase