Vulnerability Name:

CVE-2022-33070 (CCN-229541)

Assigned:2022-04-29
Published:2022-04-29
Updated:2022-10-27
Summary:Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability 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)
4.9 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: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
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)
4.7 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:U/RC:R)
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: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
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-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-33070

Source: XF
Type: UNKNOWN
protobufc-cve202233070-dos(229541)

Source: CCN
Type: Protobuf-c GIT Repository
UndefinedBehaviorSanitizer: invalid left shift in protobuf-c.c:2086 #506

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/protobuf-c/protobuf-c/issues/506

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/protobuf-c/protobuf-c/pull/508

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-3be472fe11

Vulnerable Configuration:Configuration 1:
  • cpe:/a:protobuf-c_project:protobuf-c:1.4.0:*:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    BACK
    protobuf-c_project protobuf-c 1.4.0
    fedoraproject fedora 36