| Vulnerability Name: | CVE-2021-31878 (CCN-206253) | ||||||||||||
| Assigned: | 2021-04-06 | ||||||||||||
| Published: | 2021-04-06 | ||||||||||||
| Updated: | 2021-08-07 | ||||||||||||
| Summary: | An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request. | ||||||||||||
| CVSS v3 Severity: | 6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) 5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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| CVSS v2 Severity: | 4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
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| Vulnerability Type: | CWE-617 | ||||||||||||
| Vulnerability Consequences: | Denial of Service | ||||||||||||
| References: | Source: MITRE Type: CNA CVE-2021-31878 Source: MISC Type: Patch, Vendor Advisory http://downloads.asterisk.org/pub/security/AST-2021-007.html Source: MISC Type: Patch, Third Party Advisory, VDB Entry http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html Source: FULLDISC Type: Mailing List, Patch, Third Party Advisory 20210722 AST-2021-007: Remote Crash Vulnerability in PJSIP channel driver Source: MISC Type: Patch, Vendor Advisory https://downloads.digium.com/pub/security/AST-2021-007.html Source: XF Type: UNKNOWN asterisk-pjsip-cve202131878-dos(206253) Source: MISC Type: Exploit, Issue Tracking, Vendor Advisory https://issues.asterisk.org/jira/browse/ASTERISK-29381 Source: CCN Type: Asterisk Project Security Advisory - AST-2021-009 Crash in PJSIP TLS transport Source: CCN Type: WhiteSource Vulnerability Database CVE-2021-31878 | ||||||||||||
| Vulnerable Configuration: | Configuration 1: Denotes that component is vulnerable | ||||||||||||
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