HTTP response splitting in Apache Allura

1) HTTP response splitting

EUVDB-ID: #VU93072

Risk: Medium

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

CVE-ID: CVE-2018-1319

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correclty process CRLF character sequences. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Allura: 1.0.0 - 1.8.0

CPE2.3

• cpe:2.3:a:apache_foundation:allura:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:allura:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:allura:1.1.0:*:*:*:*:*:*:*

External links

https://www.securityfocus.com/bid/103434
https://lists.apache.org/thread.html/22b74bc4002091157ec2bddf9fa3b7643ffaa77aa6cb85562f0e30da@%3Cdev.allura.apache.org%3E

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.