CVE-2019-15297

MEDIUM EPSS 87.6%
Published Sep 9, 20196y ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Sep 9, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

Description

res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
87.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 2

VendorProductVersionRange
digiumasterisk*≥15.0.0  –  ≤15.7.3
digiumasterisk*≥16.0.0  –  ≤16.5.0

References 4

  • downloads.asterisk.org http://downloads.asterisk.org/pub/security/AST-2019-004.html
    PatchVendor Advisory
  • packetstormsecurity.com http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
    PatchThird Party AdvisoryVDB Entry
  • packetstormsecurity.com http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html
  • seclists.org http://seclists.org/fulldisclosure/2021/Mar/5

Remediation

  • downloads.asterisk.org http://downloads.asterisk.org/pub/security/AST-2019-004.html
    PatchVendor Advisory
  • packetstormsecurity.com http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
    PatchThird Party AdvisoryVDB Entry