PT-2022-5667 · Atlassian · Bitbucket+1

Ry0Tak · Published 2022-10-12 · Updated 2024-10-02 · CVE-2022-43781

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Atlassian Bitbucket Server and Data Center (affected versions not specified)

Description The issue is related to a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled “Allow public signup”. The problem is caused by the possibility of command injection through environment variables.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-07062

CVE-2022-43781

Affected Products

Bitbucket

Bitbucket Server

References · 17

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/bitbucket_env_var_rce.rb · Exploit
• https://confluence.atlassian.com/x/Y4hXRg · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-43781 · Security Note
• https://bdu.fstec.ru/vul/2022-07062 · Security Note
• https://jira.atlassian.com/browse/BSERV-13522 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-43781 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43781 · Security Note
• https://t.me/pentestingnews/30538 · Telegram Post
• https://t.me/true_secator/3727 · Telegram Post
• https://confluence.atlassian.com/bitbucketserver/bitbucket-server-and-data-center-security-advisory-2022-11-16-1180141667.html · Note
• https://t.me/tmfeed/156253 · Telegram Post
• https://t.me/cibsecurity/53036 · Telegram Post
• https://t.me/thehackernews/2779 · Telegram Post
• https://t.me/cybersecuritytechnologies/7247 · Telegram Post
• https://t.me/ckure/11948 · Telegram Post