Jira Software Data Center and Server update for Jetty



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2017-9735
CVE-2017-7656
CVE-2021-28165
CWE-ID CWE-208
CWE-444
CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Jira Data Center
Server applications / Other server solutions

Jira Software
Client/Desktop applications / Other client software

Vendor Atlassian

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Brute-force attack

EUVDB-ID: #VU9654

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-9735

CWE-ID: CWE-208 - Information Exposure Through Timing Discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exists due to a timing channel in util/security/Password.java, which allows a remote attacker to perform a brute-force attack by observing elapsed times before rejection of incorrect passwords.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Data Center: 8.20.0 - 9.11.0

Jira Software: 8.20.0 - 9.11.0

CPE2.3 External links

https://jira.atlassian.com/browse/JSWSERVER-22141


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) HTTP request smuggling attack

EUVDB-ID: #VU13527

Risk: Low

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

CVE-ID: CVE-2017-7656

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to conduct an HTTP request smuggling attack on the target system.

The vulnerability exists due to improper handling of HTTP/0.9 requests. A remote attacker can send a specially crafted HTTP/0.9 request that submits malicious request headers, cause the software and an upstream HTTP agent to misinterpret the boundary of the request and poison the web cache on the system, which could be used to conduct further attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Data Center: 8.20.0 - 9.11.0

Jira Software: 8.20.0 - 9.11.0

CPE2.3 External links

https://jira.atlassian.com/browse/JSWSERVER-22148


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.

3) Resource exhaustion

EUVDB-ID: #VU51876

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-2021-28165

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when processing large TLS frames. A remote attacker can send specially crafted data to the server, trigger CPU high load and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Data Center: 8.20.0 - 9.11.0

Jira Software: 8.20.0 - 9.11.0

CPE2.3 External links

https://jira.atlassian.com/browse/JSWSERVER-22145


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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