Vulnerability Name:

CVE-2022-2211 (CCN-231271)

Assigned:2022-06-24
Published:2022-06-24
Updated:2023-02-12
Summary:A vulnerability was found in libguestfs. This issue occurs while calculating the greatest possible number of matching keys in the get_keys() function. This flaw leads to a denial of service, either by mistake or malicious actor.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
6.2 Medium (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:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
7.2 High (CCN 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:H/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
5.5 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.3 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-2211

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: CCN
Type: Red Hat Bugzilla - Bug 2100862
(CVE-2022-2211) - CVE-2022-2211 libguestfs:Buffer overflow in get_keys leads to Dos

Source: XF
Type: UNKNOWN
ibguestfs-cve20222211-dos(231271)

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-2211

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*
    • Configuration RedHat 6:
  • cpe:/a:redhat:enterprise_linux:9::crb:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20227958
    P
    		RHSA-2022:7958: libguestfs security, bug fix, and enhancement update (Low)
    2022-11-15
    oval:com.redhat.rhsa:def:20227959
    P
    		RHSA-2022:7959: guestfs-tools security, bug fix, and enhancement update (Low)
    2022-11-15
    oval:com.redhat.rhsa:def:20227968
    P
    		RHSA-2022:7968: virt-v2v security, bug fix, and enhancement update (Low)
    2022-11-15
    oval:com.redhat.rhsa:def:20227472
    P
    		RHSA-2022:7472: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update (Low)
    2022-11-08
    oval:org.opensuse.security:def:604
    P
    		Security update for virt-v2v (Moderate) (in QA)
    2022-09-05
    oval:org.opensuse.security:def:3709
    P
    		Security update for libguestfs (Moderate)
    2022-07-28
    oval:org.opensuse.security:def:3770
    P
    		Security update for libguestfs (Moderate)
    2022-07-28
    oval:org.opensuse.security:def:605
    P
    		Security update for libguestfs (Moderate)
    2022-07-28
    oval:org.opensuse.security:def:95339
    P
    		Security update for libguestfs (Moderate)
    2022-07-28
    oval:org.opensuse.security:def:95403
    P
    		Security update for libguestfs (Moderate)
    2022-07-28
    BACK