CVE-2018-7284
High
Description
A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the res_pjsip_pubsub module stores the accepted formats present in the Accept headers of the request. This code did not limit the number of headers it processed, despite having a fixed limit of 32. If more than 32 Accept headers were present, the code would write outside of its memory and cause a crash.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Digium Asterisk
PublishedFeb 22, 2018
First seenFeb 22, 2018
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| digium asterisk | v ≤ 13.19.1, 14.0.0 ≤ v ≤ 14.7.5, 15.0.0 ≤ v ≤ 15.2.1 | — |
| digium certified_asterisk | 13.18, v ≤ 13.18 | — |
| debian debian_linux | 9.0 | — |
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