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7.5
HIGH CVSS 3.0
CVE-2015-8852
Varnish HTTP Response Splitting Vulnerability
Description

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.

INFO

Published Date :

April 25, 2016, 2:59 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2015-8852 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Varnish_cache_project varnish_cache
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
Solution
A vulnerability in Varnish allows for HTTP response splitting; upgrading to a patched version is recommended.
  • Upgrade Varnish to a version greater than 3.0.6.
  • If running Debian 7.0, upgrade to version 3.0.2-2+deb7u2 or later.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-8852.

URL Resource
http://lists.opensuse.org/opensuse-updates/2016-05/msg00064.html
http://www.debian.org/security/2016/dsa-3553
http://www.openwall.com/lists/oss-security/2016/04/16/1
http://www.openwall.com/lists/oss-security/2016/04/18/7
https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c
https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3
https://security.gentoo.org/glsa/201607-10
https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00064.html
http://www.debian.org/security/2016/dsa-3553
http://www.openwall.com/lists/oss-security/2016/04/16/1
http://www.openwall.com/lists/oss-security/2016/04/18/7
https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c
https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3
https://security.gentoo.org/glsa/201607-10
https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-8852 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-8852 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-8852 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2015-8852 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-05/msg00064.html
    Added Reference http://www.debian.org/security/2016/dsa-3553
    Added Reference http://www.openwall.com/lists/oss-security/2016/04/16/1
    Added Reference http://www.openwall.com/lists/oss-security/2016/04/18/7
    Added Reference https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c
    Added Reference https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3
    Added Reference https://security.gentoo.org/glsa/201607-10
    Added Reference https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.0:beta2:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.0:beta2:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.6:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.6:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.0:beta1:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.0:beta1:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.5:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.5:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.2:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.4:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.4:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.3:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.3:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 02, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.1:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.1:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.2:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.4:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.4:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.3:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.3:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.0:beta1:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.0:beta1:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.6:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.6:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.5:*:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.5:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:varnish-cache:varnish:3.0.0:beta2:*:*:*:*:*:* OR *cpe:2.3:a:varnish-cache:varnish_cache:3.0.0:beta2:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 01, 2016

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-05/msg00064.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201607-10 [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 06, 2016

    Action Type Old Value New Value
    Added Evaluator Description <a href="http://cwe.mitre.org/data/definitions/113.html">CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')</a>
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:varnish-cache:varnish:3.0.6:*:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.5:*:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.4:*:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.3:*:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.2:*:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.1:*:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.0:beta2:*:*:*:*:*:* *cpe:2.3:a:varnish-cache:varnish:3.0.0:beta1:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html No Types Assigned https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html Advisory
    Added CWE NVD-CWE-Other
  • Initial Analysis by [email protected]

    May. 05, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.09 }} -0.28%

score

0.77010

percentile