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CVE-2020-1752

Published: 30 April 2020

A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.

Priority

Low

CVSS 3 base score: 7.0

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Ignored
(end of ESM support, was needed)
trusty Needed

upstream Needs triage

xenial Does not exist

glibc
Launchpad, Ubuntu, Debian
bionic
Released (2.27-3ubuntu1.2)
eoan
Released (2.30-0ubuntu2.2)
focal Not vulnerable
(2.31-0ubuntu9)
groovy Not vulnerable
(2.31-0ubuntu9)
hirsute Not vulnerable
(2.31-0ubuntu9)
impish Not vulnerable
(2.31-0ubuntu9)
jammy Not vulnerable
(2.31-0ubuntu9)
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2.23-0ubuntu11.2)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ddc650e9b3dc916eab417ce9f79e67337b05035c