CVE-2020-1763

Description

An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

4.755

Associated Vulnerability

Vulnerability	OS Platform
libreswan security update(DSA-4684-1) libreswan_3.27-6+deb10u1_i386.deb	Linux
libreswan security update(DSA-4684-1) libreswan_3.27-6+deb10u1_amd64.deb	Linux
(RHSA-2020:2070) libreswan security update libreswan-3.29-7.el8_2.x86_64.rpm	Linux
(RHSA-2020:2070) libreswan security update libreswan-debugsource-3.29-7.el8_2.x86_64.rpm	Linux
Libreswan update (ELSA-2020-2070) libreswan-3.29-7.0.1.el8_2.x86_64.rpm	Linux
(CESA-2020:2070) libreswan security update libreswan-3.29-7.el8_2.x86_64.rpm	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234