CVE-2020-35776

Name
CVE-2020-35776
Description
A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Mailing List http://seclists.org/fulldisclosure/2021/Feb/57
Vendor Advisory https://downloads.asterisk.org/pub/security/AST-2021-001.html
Issue Tracking https://issues.asterisk.org/
Exploit https://issues.asterisk.org/jira/browse/ASTERISK-29227
Patch http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* asterisk >= 13.0.0 <= 13.38.1
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* asterisk >= 16.0.0 <= 16.15.1
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* asterisk >= 17.0.0 <= 17.9.1
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* asterisk >= 18.0 <= 18.1.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
asterisk 3.10-main 16.3.0-r3 Timo Teras <timo.teras@iki.fi> possibly vulnerable
asterisk 3.11-main 16.6.2-r1 Timo Teras <timo.teras@iki.fi> possibly vulnerable