CVE-2022-27943

2022-03-2613:15:07

Debian Security Bug Tracker

security-tracker.debian.org

libiberty

rust-demangle.c

stack consumption

gnu gcc 11.2

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

31.6%

JSON

libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.

OSVersionArchitecturePackageVersionFilename
Debian12allgcc-12<= 12.2.0-14gcc-12_12.2.0-14_all.deb
Debian999allgcc-12<= 12.4.0-2gcc-12_12.4.0-2_all.deb
Debian13allgcc-12<= 12.4.0-2gcc-12_12.4.0-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	gcc-12	<= 12.2.0-14	gcc-12_12.2.0-14_all.deb
Debian	999	all	gcc-12	<= 12.4.0-2	gcc-12_12.4.0-2_all.deb
Debian	13	all	gcc-12	<= 12.4.0-2	gcc-12_12.4.0-2_all.deb