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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.freebsd:def:12474
[Eng]
Version
2
Class
vulnerability
ALTXid
402586
Language
Russian
Severity
Medium
Title
Уязвимость в pjsip, asterisk (CVE-2021-32686)
Description
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP before version 2.11.1, there are a couple of issues found in the SSL socket. First, a race condition between callback and destroy, due to the accepted socket having no group lock. Second, the SSL socket parent/listener may get destroyed during handshake. Both issues were reported to happen intermittently in heavy load TLS connections. They cause a crash, resulting in a denial of service. These are fixed in version 2.11.1.
Family
unix
Platform
FreeBSD
Product
Asterisk
Pjsip
Reference
FSTEC: BDU:2022-02055
FSTEC: BDU:2022-02055
Id:
BDU:2022-02055
Reference:
https://bdu.fstec.ru/vul/2022-02055
CVE: CVE-2021-32686
CVE: CVE-2021-32686
Id:
CVE-2021-32686
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32686
Comment
: PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP before version 2.11.1, there are a couple of issues found in the SSL socket. First, a race condition between callback and destroy, due to the accepted socket having no group lock. Second, the SSL socket parent/listener may get destroyed during handshake. Both issues were reported to happen intermittently in heavy load TLS connections. They cause a crash, resulting in a denial of service. These are fixed in version 2.11.1.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSSv3 Score:
5.9
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://github.com/pjsip/pjproject/security/advisories/GHSA-cv8x-p47p-99wr (CONFIRM)
https://github.com/pjsip/pjproject/pull/2716 (MISC)
https://github.com/pjsip/pjproject/commit/d5f95aa066f878b0aef6a64e60b61e8626e664cd (MISC)
https://github.com/pjsip/pjproject/releases/tag/2.11.1 (MISC)
DSA-4999 (DEBIAN)
[debian-lts-announce] 20220328 [SECURITY] [DLA 2962-1] pjproject security update (MLIST)
GLSA-202210-37 (GENTOO)
FreeBSD: 53fbffe6-ebf7-11eb-aef1-0897988a1c07
FreeBSD: 53fbffe6-ebf7-11eb-aef1-0897988a1c07
Id:
53fbffe6-ebf7-11eb-aef1-0897988a1c07
FreeBSD: 92ad12b8-ec09-11eb-aef1-0897988a1c07
FreeBSD: 92ad12b8-ec09-11eb-aef1-0897988a1c07
Id:
92ad12b8-ec09-11eb-aef1-0897988a1c07
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