CVE-2019-18976
published 2019-11-22CVE-2019-18976: An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
6.68%
93.1th percentile
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | asterisk | < asterisk 1:16.1.1~dfsg-1 (bullseye) | asterisk 1:16.1.1~dfsg-1 (bullseye) |
| debian | debian_linux | — | — |
| digium | asterisk | >= 0 < 1:16.1.1~dfsg-1 | 1:16.1.1~dfsg-1 |
| digium | asterisk | 13.0.0 – 13.29.1 | — |
| digium | certified_asterisk | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
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GHSA
GHSA-6fr3-g4mr-859f: An issue was discovered in res_pjsip_t38
ghsa_unreviewed·2022-05-24
CVE-2019-18976 [MEDIUM] CWE-476 GHSA-6fr3-g4mr-859f: An issue was discovered in res_pjsip_t38
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
OSV
CVE-2019-18976: An issue was discovered in res_pjsip_t38
osv·2019-11-22·CVSS 7.5
CVE-2019-18976 [HIGH] CVE-2019-18976: An issue was discovered in res_pjsip_t38
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
Debian
CVE-2019-18976: asterisk - An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and ...
vendor_debian·2019·CVSS 7.5
CVE-2019-18976 [HIGH] CVE-2019-18976: asterisk - An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and ...
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
Scope: local
bullseye: resolved (fixed in 1:16.1.1~dfsg-1)
sid: resolved (fixed in 1:16.1.1~dfsg-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-18976 asterisk: null pointer dereference in res_pjsip_t38.c [epel-6]
bugzilla·2020-02-11·CVSS 7.5
CVE-2019-18976 [HIGH] CVE-2019-18976 asterisk: null pointer dereference in res_pjsip_t38.c [epel-6]
CVE-2019-18976 asterisk: null pointer dereference in res_pjsip_t38.c [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-6.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template to for the 'fedp
Bugzilla
CVE-2019-18976 asterisk: null pointer dereference in res_pjsip_t38.c
bugzilla·2020-02-11·CVSS 7.5
CVE-2019-18976 [HIGH] CVE-2019-18976 asterisk: null pointer dereference in res_pjsip_t38.c
CVE-2019-18976 asterisk: null pointer dereference in res_pjsip_t38.c
An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.
Reference:
http://downloads.asterisk.org/pub/security/AST-2019-008.html
https://seclists.org/fulldisclosure/2019/Nov/20
Discussion:
Created asterisk tracking bugs for this issue:
Affects: epel-6 [bug 1801691]
http://downloads.asterisk.org/pub/security/AST-2019-008.htmlhttps://lists.debian.org/debian-lts-announce/2022/04/msg00001.htmlhttps://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.htmlhttps://seclists.org/fulldisclosure/2019/Nov/20https://www.asterisk.org/downloads/security-advisorieshttps://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1http://downloads.asterisk.org/pub/security/AST-2019-008.htmlhttps://lists.debian.org/debian-lts-announce/2022/04/msg00001.htmlhttps://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.htmlhttps://seclists.org/fulldisclosure/2019/Nov/20https://www.asterisk.org/downloads/security-advisorieshttps://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1
2019-11-22
Published