CVE Vulnerability

CVE-2022-31081

HTTP::Daemon is a simple http server class written in perl. Versions prior to 6.15 are subject to a vulnerability which could potentially be exploited to gain privileged access to APIs or poison intermediate caches. It is uncertain how large the risks are, most Perl based applications are served on top of Nginx or Apache, not on the `HTTP::Daemon`. This library is commonly used for local development and tests. Users are advised to update to resolve this issue. Users unable to upgrade may add additional request handling logic as a mitigation. After calling `my $rqst = $conn->get_request()` one could inspect the returned `HTTP::Request` object. Querying the 'Content-Length' (`my $cl = $rqst->header('Content-Length')`) will show any abnormalities that should be dealt with by a `400` response. Expected strings of 'Content-Length' SHOULD consist of either a single non-negative integer, or, a comma separated repetition of that number. (that is `42` or `42, 42, 42`). Anything else MUST be rejected.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/libwww-perl/HTTP-Daemon/commit/e84475de51d6fd7b29354a997413472a99db70b2 Patch Third Party Advisory
https://github.com/libwww-perl/HTTP-Daemon/commit/8dc5269d59e2d5d9eb1647d82c449ccd880f7fd0 Patch Third Party Advisory
https://portswigger.net/research/http-desync-attacks-request-smuggling-reborn Exploit Third Party Advisory
https://datatracker.ietf.org/doc/html/rfc7230#section-9.5 Third Party Advisory
https://github.com/libwww-perl/HTTP-Daemon/security/advisories/GHSA-cg8c-pxmv-w7cf Patch Third Party Advisory
http://metacpan.org/release/HTTP-Daemon/ Release Notes Vendor Advisory
https://cwe.mitre.org/data/definitions/444.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00038.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:http::daemon_project:http::daemon:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2022-06-27 09:15

Updated : 2022-10-29 02:45

NVD link : CVE-2022-31081

Mitre link : CVE-2022-31081

Products Affected
No products.
CWE
CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')