CVE-2018-19278

Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to match an expanded length but actually matches a compressed length.

CVSS v3.0

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

3.58% chance of exploitation in the next 30 days, 89th percentile

Published

2018-11-14

Updated

2024-09-16

Proof-of-concept exploits (1)

• Rodrigo-D/astDoS0★ · 2019-09-15

References

• CVE Record
• NVD entry

Related

• CVE-2018-7284
• CVE-2018-19277
• CVE-2018-19287
• CVE-2018-19276
• CVE-2018-19289
• CVE-2018-19248