AFL++ 4.05c CmpLog uncontrolled search path

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in AFL++ 4.05c. The affected element is an unknown function of the component CmpLog. Such manipulation leads to uncontrolled search path. This vulnerability is documented as CVE-2023-26266. The attack needs to be performed locally. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in AFL++ 4.05c. Affected by this issue is an unknown part of the component CmpLog. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In AFL++ 4.05c, the CmpLog component uses the current working directory to resolve and execute unprefixed fuzzing targets, allowing code execution.

The weakness was released 02/21/2023. The advisory is available at github.com. This vulnerability is handled as CVE-2023-26266 since 02/21/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30090). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

02/21/2023 🔍
02/21/2023 +0 days 🔍
02/21/2023 +0 days 🔍
11/08/2025 +991 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2023-26266 (🔍)
GCVE (CVE): GCVE-0-2023-26266
GCVE (VulDB): GCVE-100-221546
EUVD: 🔍

Entryinfo

Created: 02/21/2023 07:42
Updated: 11/08/2025 16:51
Changes: 02/21/2023 07:42 (38), 03/23/2023 15:05 (11), 08/27/2024 21:46 (21), 11/08/2025 16:51 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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