Vulnerability Name:

CVE-2022-33068 (CCN-229559)

Assigned:2022-04-29
Published:2022-04-29
Updated:2022-10-28
Summary:An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a Denial of Service (DoS) via unspecified vectors.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (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:U/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
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN 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:U/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
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)
4.8 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:U/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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-190
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-33068

Source: XF
Type: UNKNOWN
harfbuzz-cve202233068-dos(229559)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/harfbuzz/harfbuzz/commit/62e803b36173fd096d7ad460dd1d1db9be542593

Source: CCN
Type: Harfbuzz GIT Repository
UndefinedBehaviorSanitizer: signed integer overflow #3557

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/harfbuzz/harfbuzz/issues/3557

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-a32f9488a0

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-ac58de6e98

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-ced8f872b1

Source: GENTOO
Type: Third Party Advisory
GLSA-202209-11

Vulnerable Configuration:Configuration 1:
  • cpe:/a:harfbuzz_project:harfbuzz:4.3.0:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:36:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:9:*:*:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:9::baseos:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7526
    P
    		harfbuzz-devel-3.4.0-150400.3.6.1 on GA media (Moderate)
    2023-06-12
    oval:com.redhat.rhsa:def:20228384
    P
    		RHSA-2022:8384: harfbuzz security update (Moderate)
    2022-11-15
    oval:org.opensuse.security:def:119465
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:43659
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:118789
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:119650
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:3665
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:118979
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:674
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:42429
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:119284
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    oval:org.opensuse.security:def:95295
    P
    		Security update for harfbuzz (Important)
    2022-08-04
    BACK
    harfbuzz_project harfbuzz 4.3.0
    fedoraproject fedora 35
    fedoraproject fedora 36