Varnish up to 3.0.6 HTTP Request response splitting

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Varnish up to 3.0.6. The impacted element is an unknown function of the component HTTP Request Handler. Such manipulation leads to response splitting. This vulnerability is documented as CVE-2015-8852. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Varnish up to 3.0.6. It has been rated as critical. Affected by this issue is some unknown functionality of the component HTTP Request Handler. The manipulation with an unknown input leads to a response splitting vulnerability. Using CWE to declare the problem leads to CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.

The weakness was released 04/25/2016 (Website). The advisory is available at varnish-cache.org. This vulnerability is handled as CVE-2015-8852 since 04/18/2016. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 90686 (Debian DSA-3553-1 : varnish - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350854 (Amazon Linux Security Advisory for varnish: ALAS-2016-721).

Upgrading to version 3.0.7 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (90686). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Response splitting
CWE: CWE-113 / CWE-93 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90686
Nessus Name: Debian DSA-3553-1 : varnish - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80056
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0150
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Varnish 3.0.7
Patch: github.com

Timelineinfo

04/18/2016 🔍
04/22/2016 +4 days 🔍
04/25/2016 +3 days 🔍
04/25/2016 +0 days 🔍
04/25/2016 +0 days 🔍
04/26/2016 +1 days 🔍
11/07/2024 +3117 days 🔍

Sourcesinfo

Advisory: 29870c8fe95e4e8a672f6f28c5fbe692bea09e9c
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8852 (🔍)
GCVE (CVE): GCVE-0-2015-8852
GCVE (VulDB): GCVE-100-82826

OVAL: 🔍

Entryinfo

Created: 04/26/2016 10:46
Updated: 11/07/2024 19:53
Changes: 04/26/2016 10:46 (57), 10/24/2018 10:12 (13), 07/26/2022 16:22 (4), 11/07/2024 19:53 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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