CVE-2023-27601

CVSS V2 None CVSS V3 None
Description
OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.7 and 3.2.4, OpenSIPS crashes when a malformed SDP body is received and is processed by the `delete_sdp_line` function in the sipmsgops module. This issue can be reproduced by calling the function with an SDP body that does not terminate by a line feed (i.e. `\n`). The vulnerability was found while performing black-box fuzzing against an OpenSIPS server running a configuration that made use of the functions `codec_delete_except_re` and `codec_delete_re`. The same issue was also discovered while performing coverage guided fuzzing on the function `codec_delete_except_re`. The crash happens because the function `delete_sdp_line` expects that an SDP line is terminated by a line feed (`\n`): By abusing this vulnerability, an attacker is able to crash the server. It affects configurations containing functions that rely on the affected code, such as the function `codec_delete_except_re`. Due to the sanity check that is performed in the `del_lump` function, exploitation of this issue will generate an `abort` in the lumps processing function, resulting in a Denial of Service. This issue has been fixed in versions 3.1.7 and 3.2.4.
Overview
  • CVE ID
  • CVE-2023-27601
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2023-03-15T22:15:10
  • Last Modified Date
  • 2023-03-21T19:23:40
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:* 1 OR 3.1.7
cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:* 1 OR 3.2.0 3.2.4
History
Created Old Value New Value Data Type Notes
2023-04-17 06:31:56 Added to TrackCVE
2023-04-17 06:31:58 Weakness Enumeration new