CVE-2017-9372
PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.99% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- digium/open source · digium/certified asterisk
- Source
- cve@mitre.org
References
- http://downloads.asterisk.org/pub/security/AST-2017-002.txtThird Party Advisory
- http://www.debian.org/security/2017/dsa-3933
- http://www.securityfocus.com/bid/98572Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038529
- https://bugs.debian.org/863901Mailing List, Third Party Advisory
- http://downloads.asterisk.org/pub/security/AST-2017-002.txtThird Party Advisory
- http://www.debian.org/security/2017/dsa-3933
- http://www.securityfocus.com/bid/98572Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038529
- https://bugs.debian.org/863901Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.