Vulnerability Name:

CVE-2022-40320 (CCN-235685)

Assigned:2022-09-02
Published:2022-09-02
Updated:2022-10-27
Summary:cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-40320

Source: XF
Type: UNKNOWN
libconfuse-cve202240320-bo(235685)

Source: CCN
Type: libConfuse GIT Repository
heap buffer overflow in cfg_tilde_expand #163

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/libconfuse/libconfuse/issues/163

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-9b67d67195

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-645dc53ee2

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-de992c68d0

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libconfuse_project:libconfuse:3.3:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:37:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:610
    P
    		Security update for libconfuse0 (Important) (in QA)
    2022-09-12
    BACK
    libconfuse_project libconfuse 3.3
    fedoraproject fedora 35
    fedoraproject fedora 36
    fedoraproject fedora 37