CVE-2023-45539
HIGH severity · CVSS 8.2 · CWE-116
8.2CVSS HIGH
Summary
HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6
- https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html
- https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html
- https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6
- https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html
- https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html
- https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html