VDB-221081 · CVE-2023-23618 · GHSA-wxwv-49qw-35pm

Git up to 2.39.1 on Windows gitk untrusted search path

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Git up to 2.39.1 on Windows. It has been rated as critical. This vulnerability affects unknown code of the component gitk. The manipulation leads to untrusted search path. This vulnerability is documented as CVE-2023-23618. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Git up to 2.39.1 on Windows (Versioning Software) and classified as critical. This issue affects an unknown function of the component gitk. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Git for Windows is the Windows port of the revision control system Git. Prior to Git for Windows version 2.39.2, when `gitk` is run on Windows, it potentially runs executables from the current directory inadvertently, which can be exploited with some social engineering to trick users into running untrusted code. A patch is available in version 2.39.2. As a workaround, avoid using `gitk` (or Git GUI's "Visualize History" functionality) in clones of untrusted repositories.

The weakness was released 02/15/2023 as GHSA-wxwv-49qw-35pm. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-23618 since 01/16/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1574 for this issue.

Upgrading to version 2.39.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 49a8ec9dac3cec6602f05fed1b3f80a549c8c05c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Versioning Software

Name

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Git 2.39.2
Patch: 49a8ec9dac3cec6602f05fed1b3f80a549c8c05c

Timelineinfo

01/16/2023 🔍
02/15/2023 +30 days 🔍
02/15/2023 +0 days 🔍
03/16/2023 +29 days 🔍

Sourcesinfo

Advisory: GHSA-wxwv-49qw-35pm
Status: Confirmed

CVE: CVE-2023-23618 (🔍)
GCVE (CVE): GCVE-0-2023-23618
GCVE (VulDB): GCVE-100-221081

Entryinfo

Created: 02/15/2023 10:41
Updated: 03/16/2023 06:51
Changes: 02/15/2023 10:41 (54), 03/16/2023 06:51 (11)
Complete: 🔍
Cache ID: 216::103