Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2019-20421

Loop with Unreachable Exit Condition ('Infinite Loop')

Published: Jan 27, 2020 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
7.8 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-20421
CWEhttps://cwe.mitre.org/data/definitions/835.html

In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

Weakness

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Software

NameVendorStart VersionEnd Version
Exiv2Exiv20.27.2 (including)0.27.2 (including)
Red Hat Enterprise Linux 8RedHatexiv2-0:0.27.2-5.el8*
Red Hat Enterprise Linux 8RedHatgegl-0:0.2.0-39.el8*
Red Hat Enterprise Linux 8RedHatgnome-color-manager-0:3.28.0-3.el8*
Red Hat Enterprise Linux 8RedHatlibgexiv2-0:0.10.8-4.el8*
Exiv2Ubuntubionic*
Exiv2Ubuntudevel*
Exiv2Ubuntueoan*
Exiv2Ubuntuesm-infra/bionic*
Exiv2Ubuntuesm-infra/xenial*
Exiv2Ubuntutrusty*
Exiv2Ubuntuupstream*
Exiv2Ubuntuxenial*

References

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