CVE Vulnerability

CVE-2019-15523

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/LINBIT/csync2/pull/13/commits/92742544a56bcbcd9ec99ca15f898b31797e39e2 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00003.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:linbit:csync2:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2020-12-30 09:15

Updated : 2021-01-04 09:16

NVD link : CVE-2019-15523

Mitre link : CVE-2019-15523

Products Affected
No products.
CWE
CWE-252

Unchecked Return Value