VDB-115225 · CVE-2018-5224 · BID 103653

Bamboo prior 2.7.0 Parameter input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Bamboo. It has been classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation as part of Parameter causes input validation. This vulnerability is registered as CVE-2018-5224. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Bamboo. It has been declared as critical. Affected by this vulnerability is an unknown code block. The manipulation as part of a Parameter leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Bamboo did not correctly check if a configured Mercurial repository URI contained values that the Windows operating system may consider argument parameters. An attacker who has permission to create a repository in Bamboo, edit an existing plan in Bamboo that has a non-linked Mercurial repository, or create a plan in Bamboo either globally or in a project using Bamboo Specs can can execute code of their choice on systems that run a vulnerable version of Bamboo on the Windows operating system. All versions of Bamboo starting with 2.7.0 before 6.3.3 (the fixed version for 6.3.x) and from version 6.4.0 before 6.4.1 (the fixed version for 6.4.x) running on the Windows operating system are affected by this vulnerability.

The bug was discovered 03/08/2018. The weakness was published 03/29/2018 (Website). The advisory is shared at confluence.atlassian.com. This vulnerability is known as CVE-2018-5224 since 01/05/2018. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11976 (Atlassian Bamboo Security Bypass Vulnerability).

Upgrading to version 2.7.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103653†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bamboo 2.7.0

Timelineinfo

01/05/2018 🔍
03/08/2018 +62 days 🔍
03/29/2018 +21 days 🔍
03/29/2018 +0 days 🔍
03/30/2018 +1 days 🔍
04/04/2018 +5 days 🔍
01/18/2020 +654 days 🔍

Sourcesinfo

Advisory: confluence.atlassian.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5224 (🔍)
GCVE (CVE): GCVE-0-2018-5224
GCVE (VulDB): GCVE-100-115225
SecurityFocus: 103653 - Atlassian Bamboo CVE-2018-5224 Remote Security Bypass Vulnerability

Entryinfo

Created: 03/30/2018 12:33
Updated: 01/18/2020 08:54
Changes: 03/30/2018 12:33 (60), 01/18/2020 08:54 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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