Multiple vulnerabilities in JetBrains YouTrack



Risk Medium
Patch available NO
Number of vulnerabilities 2
CVE-ID N/A
CWE-ID CWE-346
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 YouTrack
Web applications / CMS

Vendor JetBrains s.r.o.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Origin validation error

EUVDB-ID: #VU24912

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-346 - Origin Validation Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to origin validation error when CORS misconfiguration on youtrack.jetbrains.com. A remote attacker can disclose sensitive information on the target system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

YouTrack: All versions

CPE2.3 External links

https://blog.jetbrains.com/blog/2020/01/24/jetbrains-security-bulletin-q4-2019/


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) Cross-site scripting

EUVDB-ID: #VU24913

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the image upload at youtrack-workflow-converter.jetbrains.com. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

YouTrack: All versions

CPE2.3 External links

https://blog.jetbrains.com/blog/2020/01/24/jetbrains-security-bulletin-q4-2019/


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.



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