CVE-2015-8852
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 3.52% probability · 89th percentile
- CISA KEV
- Not listed
- Affected
- varnish cache project/varnish cache · debian/debian linux
- Source
- cve@mitre.org
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.htmlVendor 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.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.