CVE-2020-25219

moderate-risk

Published 2020-09-09

url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.

Do I need to act?

0.45% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (11)

Libproxy

Debian Linux

Fedora

Leap

Ubuntu Linux

Affected Vendors

Debian Canonical Fedoraproject Opensuse Libproxy Project

References (18)

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

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

Exploit https://github.com/libproxy/libproxy/issues/134

Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/09/msg00012.html

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

Third Party Advisory https://usn.ubuntu.com/4514-1/

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

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

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

Exploit https://github.com/libproxy/libproxy/issues/134

Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/09/msg00012.html

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

Third Party Advisory https://usn.ubuntu.com/4514-1/

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

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 2/34 · Minimal

Exposure 16/34 · Moderate