VDB-99503 · CVE-2016-4320 · BID 97515

Atlassian Bitbucket Server up to 4.7.0 Full Request Resource path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Atlassian Bitbucket Server up to 4.7.0. It has been classified as critical. This affects an unknown function of the component Full Request Resource Handler. The manipulation leads to path traversal. This vulnerability is listed as CVE-2016-4320. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Atlassian Bitbucket Server up to 4.7.0. It has been rated as critical. This issue affects an unknown code block of the component Full Request Resource Handler. 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, and integrity. The summary by CVE is:

Atlassian Bitbucket Server before 4.7.1 allows remote attackers to read the first line of an arbitrary file via a directory traversal attack on the pull requests resource.

The bug was discovered 06/06/2016. The weakness was presented 04/10/2017 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2016-4320 since 04/27/2016. The exploitation is known to be easy. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 307 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.7.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97515†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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: 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: 🔍

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OpenVAS ID: 103228
OpenVAS Name: Atlassian Bitbucket Directory Traversal Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bitbucket Server 4.7.1

Timelineinfo

04/27/2016 🔍
06/06/2016 +40 days 🔍
04/09/2017 +307 days 🔍
04/09/2017 +0 days 🔍
04/10/2017 +1 days 🔍
04/10/2017 +0 days 🔍
08/28/2020 +1236 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4320 (🔍)
GCVE (CVE): GCVE-0-2016-4320
GCVE (VulDB): GCVE-100-99503
SecurityFocus: 97515 - Atlassian Bitbucket Server CVE-2016-4320 Directory Traversal Vulnerability
OSVDB: - CVE-2016-4320 - Atlassian - Bitbucket Server - Directory Traversal Issue

Entryinfo

Created: 04/10/2017 09:52
Updated: 08/28/2020 07:06
Changes: 04/10/2017 09:52 (64), 08/28/2020 07:06 (5)
Complete: 🔍
Cache ID: 216::103

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

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