ghsa-5x75-h4p9-mf5p
Vulnerability from github
Published
2022-05-24 16:50
Modified
2022-05-24 16:50
Severity ?
Details
An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38 re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL stream and another media stream containing only a codec (which is not permitted according to the chan_sip configuration).
{ "affected": [], "aliases": [ "CVE-2019-13161" ], "database_specific": { "cwe_ids": [ "CWE-476" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-07-12T20:15:00Z", "severity": "MODERATE" }, "details": "An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38 re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL stream and another media stream containing only a codec (which is not permitted according to the chan_sip configuration).", "id": "GHSA-5x75-h4p9-mf5p", "modified": "2022-05-24T16:50:12Z", "published": "2022-05-24T16:50:12Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13161" }, { "type": "WEB", "url": "https://issues.asterisk.org/jira/browse/ASTERISK-28465" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00038.html" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html" }, { "type": "WEB", "url": "http://downloads.digium.com/pub/security/AST-2019-003.html" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.