Multiple vulnerabilities in JetBrains YouTrack



| Updated: 2019-11-04
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-14953
CVE-2019-14956
CWE-ID 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) Stored cross-site scripting

EUVDB-ID: #VU22496

Risk: Low

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

CVE-ID: CVE-2019-14953

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 in issue attachments when using the Firefox browser. A remote attacker can inject 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

Install updates from vendor's website.

Vulnerable software versions

YouTrack: before 2019.2.53938

CPE2.3 External links

https://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/


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) Improper preservation of permissions

EUVDB-ID: #VU22491

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14956

CWE-ID: N/A

Exploit availability: No

Description

The vulnerability allows a remote user to gain sensitive information on the target system.

The vulnerability exists due to the affected software does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects. A remote authenticated user without necessary permissions can get a list of project names.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

YouTrack: before 2019.2.53938

CPE2.3 External links

https://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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