xzgrep up to 4.x.x/5.1.x File Name scripts/xzgrep.in Semicolon input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in xzgrep up to 4.x.x/5.1.x. This affects an unknown part of the file scripts/xzgrep.in of the component File Name Handler. Such manipulation as part of Semicolon leads to input validation. This vulnerability is referenced as CVE-2015-4035. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in xzgrep up to 4.x.x/5.1.x. It has been rated as critical. Affected by this issue is an unknown code block of the file scripts/xzgrep.in of the component File Name Handler. The manipulation as part of a Semicolon leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by having a user run xzgrep on a crafted file name.

The bug was discovered 05/18/2015. The weakness was published 07/25/2017 as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2015-4035 since 05/19/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 799 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.0.0 or 5.2.0 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: xzgrep 5.0.0/5.2.0
Patch: f4b2b52624b802c786e4e2a8eb6895794dd93b24

Timelineinfo

05/18/2015 🔍
05/19/2015 +1 days 🔍
07/25/2017 +798 days 🔍
07/25/2017 +0 days 🔍
07/26/2017 +1 days 🔍
12/14/2022 +1967 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-4035 (🔍)
GCVE (CVE): GCVE-0-2015-4035
GCVE (VulDB): GCVE-100-104480

Entryinfo

Created: 07/26/2017 10:12
Updated: 12/14/2022 07:18
Changes: 07/26/2017 10:12 (61), 11/01/2019 08:53 (1), 12/14/2022 07:18 (5)
Complete: 🔍
Cache ID: 216::103

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