Vulnerability Name:

CVE-2021-37322 (CCN-214004)

Assigned:2021-11-18
Published:2021-11-18
Updated:2021-12-16
Summary:GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
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)
4.9 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:U/RC:R)
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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
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-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-37322

Source: XF
Type: UNKNOWN
gcc-cve202137322-dos(214004)

Source: CCN
Type: GCC Web site
GCC c++filt

Source: CCN
Type: GCC Bugzilla - Bug 99188
cxxfilt may exist a uaf

Source: MISC
Type: Exploit, Issue Tracking, Vendor Advisory
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99188

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnu:binutils:*:*:*:*:*:*:*:* (Version < 2.32)
  • OR cpe:/a:gnu:gcc:*:*:*:*:*:*:*:* (Version < 10.1)

    • * Denotes that component is vulnerable
    BACK
    gnu binutils *
    gnu gcc *