Vulnerability Name:

CVE-2022-32264 (CCN-228891)

Assigned:2022-06-15
Published:2022-06-15
Updated:2022-09-09
Summary:** UNSUPPORTED WHEN ASSIGNED ** sys/netinet/tcp_timer.h in FreeBSD before 7.0 contains a denial-of-service (DoS) vulnerability due to improper handling of TSopt on TCP connections.
Note: This vulnerability only affects products that are no longer supported by the maintainer.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-755
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-32264

Source: MISC
Type: Third Party Advisory
http://jvn.jp/en/jp/JVN20930118/

Source: CCN
Type: JVN#20930118
FreeBSD vulnerable to denial-of-service (DoS)

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://cgit.freebsd.org/src/commit/?id=4dc630cdd2f7a790604d2724ecb19c6aa95130a7

Source: XF
Type: UNKNOWN
freebsd-cve202232264-dos(228891)

Source: CCN
Type: FreeBSD Web site
FreeBSD

Vulnerable Configuration:Configuration 1:
  • cpe:/o:freebsd:freebsd:*:*:*:*:*:*:*:* (Version < 7.0)

  • Configuration CCN 1:
  • cpe:/o:freebsd:freebsd:4.7:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:4.8:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:5.1:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:5.2:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:4.9:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:6.2:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:6.3:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    freebsd freebsd *
    freebsd freebsd 4.7
    freebsd freebsd 4.8
    freebsd freebsd 5.1
    freebsd freebsd 5.2
    freebsd freebsd 4.9
    freebsd freebsd 6.2
    freebsd freebsd 6.3