Medium severity5.3OSV Advisory· Published Jun 12, 2018· Updated Jun 17, 2026
CVE-2018-12227
CVE-2018-12227
Description
An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: 13.18-cert <13.18-cert4, 13.21-cert <13.21-cert2
- Range: 13.x <13.21.1, 14.x <14.7.7, 15.x <15.4.1
Patches
Vulnerability mechanics
References
5- issues.asterisk.org/jira/browse/ASTERISK-27818nvdPatchVendor Advisory
- downloads.asterisk.org/pub/security/AST-2018-008.htmlnvdVendor Advisory
- www.securityfocus.com/bid/104455nvdThird Party AdvisoryVDB Entry
- security.gentoo.org/glsa/201811-11nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4320nvdThird Party Advisory
News mentions
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