devscripts up to 2.15.6 Filename link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in devscripts up to 2.15.6 and classified as problematic. Affected by this issue is some unknown functionality of the component Filename Handler. The manipulation leads to link following. This vulnerability is documented as CVE-2015-5705. The attack needs to be performed locally. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in devscripts up to 2.15.6 and classified as problematic. This issue affects an unknown part of the component Filename Handler. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Argument injection vulnerability in devscripts before 2.15.7 allows remote attackers to write to arbitrary files via a crafted symlink and crafted filename.

The bug was discovered 07/31/2015. The weakness was released 09/06/2017 (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2015-5705 since 08/01/2015. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 85360 (Fedora 22 : devscripts-2.15.8-1.fc22 (2015-12699)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123895 (Fedora Security Update for devscripts (FEDORA-2015-12716)).

Upgrading to version 2.15.7 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85360). Entry connected to this vulnerability is available at VDB-107094. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Link following
CWE: CWE-59
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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Nessus ID: 85360
Nessus Name: Fedora 22 : devscripts-2.15.8-1.fc22 (2015-12699)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for devscripts FEDORA-2015-12716
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: devscripts 2.15.7
Patch: anonscm.debian.org

Timelineinfo

07/31/2015 🔍
08/01/2015 +1 days 🔍
08/04/2015 +3 days 🔍
08/13/2015 +9 days 🔍
09/06/2017 +755 days 🔍
09/06/2017 +0 days 🔍
09/07/2017 +1 days 🔍
12/27/2022 +1937 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5705 (🔍)
GCVE (CVE): GCVE-0-2015-5705
GCVE (VulDB): GCVE-100-106151
See also: 🔍

Entryinfo

Created: 09/07/2017 08:51
Updated: 12/27/2022 19:56
Changes: 09/07/2017 08:51 (66), 11/13/2019 09:17 (8), 12/27/2022 19:56 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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