VDB-249716 · CVE-2023-7207 · GCVE-0-2023-7207

Debian Linux up to 2.7.59 on cpio path traversal

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3.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Debian Linux on cpio. Impacted is an unknown function. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2023-7207. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Debian Linux on cpio (Operating System). Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a regression in --no-absolute-filenames. Upstream has since provided a proper fix to --no-absolute-filenames.

The weakness was released 01/05/2024 by Ingo Brückl. The advisory is shared for download at git.savannah.gnu.org. This vulnerability is handled as CVE-2023-7207 since 01/05/2024. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 2.14+dfsg-1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.savannah.gnu.org. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Debian

Name

Linux

Version

License

open-source

Website

Vendor: https://www.debian.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.9
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Linux 2.14+dfsg-1
Patch: git.savannah.gnu.org

Timelineinfo

01/05/2024 🔍
01/05/2024 +0 days 🔍
01/05/2024 +0 days 🔍
05/08/2025 +489 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: git.savannah.gnu.org
Researcher: Ingo Brückl
Status: Confirmed

CVE: CVE-2023-7207 (🔍)
GCVE (CVE): GCVE-0-2023-7207
GCVE (VulDB): GCVE-100-249716

Entryinfo

Created: 01/05/2024 09:03
Updated: 05/08/2025 05:56
Changes: 01/05/2024 09:03 (51), 05/08/2025 05:56 (17)
Complete: 🔍
Cache ID: 216::103