Vulnerability · Published May 18, 2023 · Assigned by VulDB
CVE-2023-2789GNU cflow parser.c parse_variable_declaration denial of service
Low 3.5
In plain English
A low-severity security flaw in cflow from GNU. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | cflow | no fix listed | DEBIAN-CVE-2023-2789 |
| Debian:13 | cflow | no fix listed | DEBIAN-CVE-2023-2789 |
| Debian:14 | cflow | no fix listed | DEBIAN-CVE-2023-2789 |
| Ubuntu:22.04:LTS | cflow | no fix listed | UBUNTU-CVE-2023-2789 |
| Ubuntu:24.04:LTS | cflow | no fix listed | UBUNTU-CVE-2023-2789 |
| Ubuntu:25.10 | cflow | no fix listed | UBUNTU-CVE-2023-2789 |
| Ubuntu:26.04:LTS | cflow | no fix listed | UBUNTU-CVE-2023-2789 |
| Ubuntu:26.10 | cflow | no fix listed | UBUNTU-CVE-2023-2789 |
Affected products (as reported)
Weakness: CWE-404 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://vuldb.com/?id.229373 vdb-entry, technical-description
- https://vuldb.com/?ctiid.229373 signature, permissions-required
- https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.md related
- https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zip exploit