CVE-2020-26154

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/libproxy/libproxy/pull/126	Third Party Advisory
https://bugs.debian.org/968366	Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BID3HVHAF6DA3YJOFDBSAZSMR3ODNIW/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WZVZXTFMFTSML3J6OOCDBDYH474BRJSW/	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.html
https://lists.debian.org/debian-lts-announce/2020/11/msg00024.html
https://www.debian.org/security/2020/dsa-4800

Configurations

Configuration 1 (hide)

cpe:2.3:a:libproxy_project:libproxy:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

Information

Published : 2020-09-30 18:15

Updated : 2020-11-29 04:15

NVD link : CVE-2020-26154

Mitre link : CVE-2020-26154

JSON object : View

Products Affected

fedoraproject

fedora

libproxy_project

libproxy

CWE

CWE-120

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

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