CVE-2015-8852
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data tampering.
- Exploit odds
- 3.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.5% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.5% · EPSS, next 30 days
- Record status
- Modified
Affected
- Varnish Cache Project Varnish Cache 3.0.0
- Varnish Cache Project Varnish Cache 3.0.1
- Varnish Cache Project Varnish Cache 3.0.2
- Varnish Cache Project Varnish Cache 3.0.3
- Varnish Cache Project Varnish Cache 3.0.4
- Varnish Cache Project Varnish Cache 3.0.5
- Varnish Cache Project Varnish Cache 3.0.6
- Debian Linux 7.0
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-8852.md and follow it. Check whether this project is affected by CVE-2015-8852. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c
- https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3
- https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html
- https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c
- https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3
- https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html
References
- 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
- 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