CVE-2017-18037 : The git repository tag rest resource in Atlassian Bitbucket Server from version

The git repository tag rest resource in Atlassian Bitbucket Server from version 3.7.0 before 4.14.11 (the fixed version for 4.14.x), from version 5.0.0 before 5.0.9 (the fixed version for 5.0.x), from version 5.1.0 before 5.1.8 (the fixed version for 5.1.x), from version 5.2.0 before 5.2.6 (the fixed version for 5.2.x), from version 5.3.0 before 5.3.4 (the fixed version for 5.3.x), from version 5.4.0 before 5.4.2 (the fixed version for 5.4.x), from version 5.5.0 before 5.5.1 (the fixed version for 5.5.x) and before 5.6.0 allows remote attackers to read arbitrary files via a path traversal vulnerability through the name of a git tag.

Published 2018-02-02 14:29:01

Updated 2018-02-24 16:26:44

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2017-18037

Atlassian » Bitbucket
Versions from including (>=) 5.0.0 and before (<) 5.0.9
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket
Versions from including (>=) 5.4.0 and before (<) 5.4.2
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket
Versions from including (>=) 3.7.0 and before (<) 4.14.11
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket
Versions from including (>=) 5.2.0 and before (<) 5.2.6
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket
Versions from including (>=) 5.3.0 and before (<) 5.3.4
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket
Versions from including (>=) 5.1.0 and before (<) 5.1.8
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket » Version: 5.5.2
cpe:2.3:a:atlassian:bitbucket:5.5.2:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket » Version: 5.5.3
cpe:2.3:a:atlassian:bitbucket:5.5.3:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket » Version: 5.5.4
cpe:2.3:a:atlassian:bitbucket:5.5.4:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket » Version: 5.5.5
cpe:2.3:a:atlassian:bitbucket:5.5.5:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket » Version: 5.5.0
cpe:2.3:a:atlassian:bitbucket:5.5.0:*:*:*:*:*:*:*
Matching versions
Atlassian » Bitbucket » Version: 5.5.6
cpe:2.3:a:atlassian:bitbucket:5.5.6:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2017-18037

Top countries where our scanners detected CVE-2017-18037

Top open port discovered on systems with this issue 80

IPs affected by CVE-2017-18037 40

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2017-18037!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-18037

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 54 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-18037

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
6.5	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2017-18037

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-18037

https://jira.atlassian.com/browse/BSERV-10595

[BSERV-10595] Path traversal through the name of a git tag in the git repository tag rest resource - CVE-2017-18037 - Create and track feature requests for Atlassian products.
Vendor Advisory