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CVE-2019-18976

high · 7.5

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.

7.5
CVSS
12.8%
EPSS (exploit prob.)
96th
EPSS percentile
2019-11-22
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-476

Affected products

VendorProductAffected versions
digiumasterisk>= 13.0.0, <= 13.29.1
digiumcertified_asterisk13.21
digiumcertified_asterisk13.21
digiumcertified_asterisk13.21
digiumcertified_asterisk13.21
digiumcertified_asterisk13.21
debiandebian_linux9.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2019-18976