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CVE-2022-48522

Published: 22 August 2023

In Perl 5.34.0, function S_find_uninit_var in sv.c has a stack-based crash that can lead to remote code execution or local privilege escalation.

Notes

AuthorNote
Priority reason:
infinite recursion when printing a warning, negligible security impact
mdeslaur
This is just an infinite recursion when trying to print a
warning message causing the process to run out of stack space,
this has a negligible security impact

Priority

Low

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
perl
Launchpad, Ubuntu, Debian
upstream Needs triage

bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
jammy
Released (5.34.0-3ubuntu1.3)
lunar Not vulnerable
(5.36.0-4ubuntu2)
trusty Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
mantic Not vulnerable
(5.36.0-7)
Patches:
upstream: https://github.com/Perl/perl5/commit/23cca2d1f4544cb47f1124d98c308ce1f31f09a6

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H