Note:
This project will be discontinued after December 13, 2021. [more]
2018-02-21
A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the res_pjsip_pubsub module stores the accepted formats present in the Accept headers of the request. This code did not limit the number of headers it processed, despite having a fixed limit of 32. If more than 32 Accept headers were present, the code would write outside of its memory and cause a crash.
Products | Debian_linux, Asterisk, Certified_asterisk |
Type | Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) |
First patch | - None (likely due to unavailable code) |
Links |
• https://www.exploit-db.com/exploits/44184/
• http://downloads.asterisk.org/pub/security/AST-2018-004.html • http://www.securitytracker.com/id/1040416 • http://www.securityfocus.com/bid/103151 • https://www.debian.org/security/2018/dsa-4320 |