GNU cflow 1.7 parser.c func_body/parse_variable_declaration denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.08

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 with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 05/18/2023. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-2789. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-141039, VDB-141456, VDB-141457 and VDB-147703 for similar entries.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/18/2023 🔍
05/18/2023 +0 days 🔍
05/18/2023 +0 days 🔍
06/10/2023 +23 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: github.com
Status: Not defined

CVE: CVE-2023-2789 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/18/2023 02:08 PM
Updated: 06/10/2023 06:02 PM
Changes: 05/18/2023 02:08 PM (42), 06/10/2023 05:55 PM (2), 06/10/2023 06:02 PM (28)
Complete: 🔍
Submitter: DaisyPo
Cache ID: 100:6B9:40

Submitinfo

Accepted

  • Submit #149544: cflow 1.7 has a stack-overflow at src/parser.c because of recursive call of void func_body() and void parse_variable_declaration(Ident *ident, int parm) (by DaisyPo)

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