CVE-2023-2789 - CVE House

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Status published Low CVE-2023-2789

GNU cflow parser.c parse_variable_declaration denial of service

3.5 CVSS

Vulnerability Description

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

DaisyPo (VulDB User)

References

More from GNU

View All →

GNU libopts __strstr_sse2 memory corruption

GNU cflow Lexer c.c yylex buffer overflow

GNU cflow Lexer c.c yylex null pointer dereference

GNU Binutils DWARF Section dwarf.c process_debug_info memory leak

GNU Binutils BFD Library elf.c bfd_elf_get_str_section null pointer dereference

Affected Vendor

GNU

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Affected Software

cflow

Vulnerable Versions:

1.7

Timeline

Official Publish: May 18th, 2023

Last Modified: August 2nd, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service

T1562 Impair Defenses

Defense Evasion

T1190 Exploit Public-Facing Application

T1046 Network Service Discovery