7.5
CVE-2019-18976
- EPSS 0.17%
- Veröffentlicht 22.11.2019 17:15:11
- Zuletzt bearbeitet 21.11.2024 04:33:55
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Digium ≫ Certified Asterisk Version13.21
Digium ≫ Certified Asterisk Version13.21 Updatecert1
Digium ≫ Certified Asterisk Version13.21 Updatecert2
Digium ≫ Certified Asterisk Version13.21 Updatecert3
Digium ≫ Certified Asterisk Version13.21 Updatecert4
Debian ≫ Debian Linux Version9.0
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.17% | 0.381 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:P
|
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.