CVE-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 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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:*:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert4:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

21 Nov 2024, 04:33

Type Values Removed Values Added
References () http://downloads.asterisk.org/pub/security/AST-2019-008.html - Vendor Advisory () http://downloads.asterisk.org/pub/security/AST-2019-008.html - Vendor Advisory
References () https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html - Mailing List, Third Party Advisory
References () https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html - Third Party Advisory, VDB Entry () https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html - Third Party Advisory, VDB Entry
References () https://seclists.org/fulldisclosure/2019/Nov/20 - Mailing List, Third Party Advisory () https://seclists.org/fulldisclosure/2019/Nov/20 - Mailing List, Third Party Advisory
References () https://www.asterisk.org/downloads/security-advisories - Vendor Advisory () https://www.asterisk.org/downloads/security-advisories - Vendor Advisory
References () https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1 - Third Party Advisory () https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1 - Third Party Advisory

Information

Published : 2019-11-22 17:15

Updated : 2024-11-21 04:33


NVD link : CVE-2019-18976

Mitre link : CVE-2019-18976

CVE.ORG link : CVE-2019-18976


JSON object : View

Products Affected

debian

  • debian_linux

digium

  • asterisk
  • certified_asterisk
CWE
CWE-476

NULL Pointer Dereference