VulnerabilityModified
CVE-2022-26499
An SSRF issue was discovered in Asterisk through 19.x.
CRITICAL 9.1EPSS 7.80%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests (such as GET) to interfaces such as localhost by using the Identity header. This is fixed in 16.25.2, 18.11.2, and 19.3.2.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 7.80% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- digium/asterisk · debian/debian linux
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/166745/Asterisk-Project-Security-Advisory-AST-2022-002.htmlPatch, Third Party Advisory, VDB Entry
- https://downloads.asterisk.org/pub/security/Vendor Advisory
- https://downloads.asterisk.org/pub/security/AST-2022-002.htmlPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00021.htmlIssue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5285Third Party Advisory
- http://packetstormsecurity.com/files/166745/Asterisk-Project-Security-Advisory-AST-2022-002.htmlPatch, Third Party Advisory, VDB Entry
- https://downloads.asterisk.org/pub/security/Vendor Advisory
- https://downloads.asterisk.org/pub/security/AST-2022-002.htmlPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00021.htmlIssue Tracking, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5285Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.