CVE-2020-18773

2021-08-2322:15:27

Debian Security Bug Tracker

security-tracker.debian.org

cve-2020-18773

exiv2 0.27.99.0

decode function

denial of service

dos

crafted tif file

unix

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

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

50.8%

JSON

An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.

OSVersionArchitecturePackageVersionFilename
Debian12allexiv2<= 0.27.6-1exiv2_0.27.6-1_all.deb
Debian11allexiv2<= 0.27.3-3+deb11u2exiv2_0.27.3-3+deb11u2_all.deb
Debian999allexiv2<= 0.28.3+dfsg-2exiv2_0.28.3+dfsg-2_all.deb
Debian13allexiv2<= 0.27.6-1exiv2_0.27.6-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	exiv2	<= 0.27.6-1	exiv2_0.27.6-1_all.deb
Debian	11	all	exiv2	<= 0.27.3-3+deb11u2	exiv2_0.27.3-3+deb11u2_all.deb
Debian	999	all	exiv2	<= 0.28.3+dfsg-2	exiv2_0.28.3+dfsg-2_all.deb
Debian	13	all	exiv2	<= 0.27.6-1	exiv2_0.27.6-1_all.deb