CVE-2020-26154

Published: Sep 30, 2020Modified: Nov 21, 2024

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.

Affected (7)

Products: Libproxy Project: Libproxy · Fedoraproject: Fedora · Debian: Debian Linux · +1 more

Show all products

Libproxy Project: Libproxy · Fedoraproject: Fedora · Debian: Debian Linux · Opensuse: Leap

1 product

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Libproxy Project Libproxy	Up to 0.4.15

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 32
Fedoraproject Fedora	Version 33

Configuration C

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 9.0

Configuration D

2 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.1
Opensuse Leap	Version 15.2

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (16)

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html

Source: cve@mitre.org

Issue TrackingThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.html

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://bugs.debian.org/968366

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://github.com/libproxy/libproxy/pull/126

Source: cve@mitre.org

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2020/11/msg00024.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BID3HVHAF6DA3YJOFDBSAZSMR3ODNIW/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WZVZXTFMFTSML3J6OOCDBDYH474BRJSW/

Source: cve@mitre.org

https://www.debian.org/security/2020/dsa-4800

Source: cve@mitre.org

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html