Vulnerability Details : 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 packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2017-9372
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1-rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1-rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1-rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1-rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.10.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.11.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.15.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.12.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.9.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.13.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.14.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.12.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:13.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:open_source:14.4.0:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9372
3.66%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9372
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-9372
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9372
-
http://www.securitytracker.com/id/1038529
Asterisk PJSIP Algorithm Bug Lets Remote Users Cause the Target Service to Crash - SecurityTracker
-
http://www.debian.org/security/2017/dsa-3933
Debian -- Security Information -- DSA-3933-1 pjproject
-
http://www.securityfocus.com/bid/98572
Multiple Asterisk Products 'PJSIP Transaction Layer' Heap Based Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
-
https://bugs.debian.org/863901
#863901 - pjproject: CVE-2017-9372: AST-2017-002: Buffer Overrun in PJSIP transaction layer - Debian Bug report logsMailing List;Third Party Advisory
-
http://downloads.asterisk.org/pub/security/AST-2017-002.txt
Third Party Advisory
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