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.
                
            References
                    Configurations
                    Configuration 1 (hide)
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Configuration 2 (hide)
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History
                    21 Nov 2024, 04:33
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () 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 | |
| References | () 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 | |
| References | () https://www.asterisk.org/downloads/security-advisories - Vendor Advisory | |
| References | () 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
- certified_asterisk
- asterisk
CWE
                
                    
                        
                        CWE-476
                        
            NULL Pointer Dereference
