CVE-2023-6209

medium

Description

Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

References

https://www.mozilla.org/security/advisories/mfsa2023-52/

https://www.mozilla.org/security/advisories/mfsa2023-50/

https://www.mozilla.org/security/advisories/mfsa2023-49/

https://www.debian.org/security/2023/dsa-5561

https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html

https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1858570

Details

Source: Mitre, NVD

Published: 2023-11-21

Updated: 2023-11-30

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Severity: Medium