CVE-2018-7284 is a buffer overflow vulnerability affecting Asterisk versions through 13.19.1, 14.7.5, and 15.2.1, as well as Certified Asterisk through 13.18-cert2. The flaw occurs in the res_pjsip_pubsub module when processing SUBSCRIBE requests with more than 32 Accept headers, leading to a crash. Rated 7.5 HIGH (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), this vulnerability can be exploited remotely with low attack complexity, resulting in a denial of service. While not on the KEV list and showing no active exploitation, a public exploit (EDB-44184) exists, though community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 13.19.1CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 14.0.0, <= 14.7.5CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 15.0.0, <= 15.2.1CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
13.18CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:13.18:cert1:*:*:*:*:*:* | ||
13.18CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:13.18:cert2:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.