Bamboo Data Center and Server update for Apache Tomcat



| Updated: 2024-12-06
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-42794
CVE-2023-44487
CWE-ID CWE-749
CWE-400
Exploitation vector Network
Public exploit Vulnerability #2 is being exploited in the wild.
Vulnerable software
 Atlassian Bamboo
Server applications / Other server solutions

Vendor Atlassian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Exposed dangerous method or function

EUVDB-ID: #VU81803

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-42794

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to Tomcat's internal fork of a Commons FileUpload included an unreleased, in progress refactoring that exposed a potential denial of service on Windows. A remote attacker can perform a denial of service attack by uploading multiple files to the server that are not removed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Atlassian Bamboo: 8.1.0 - 9.3.4

CPE2.3 External links

https://jira.atlassian.com/browse/BAM-25470


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU81728

Risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-44487

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Atlassian Bamboo: 8.1.0 - 9.3.4

CPE2.3 External links

https://jira.atlassian.com/browse/BAM-25469


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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