CVE-2015-8852
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| debian | bookworm | fixed | 4.0.0-1 |
| debian | bullseye | fixed | 4.0.0-1 |
| debian | forky | fixed | 4.0.0-1 |
| debian | sid | fixed | 4.0.0-1 |
| debian | trixie | fixed | 4.0.0-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| 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 | |
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
- https://security-tracker.debian.org/tracker/CVE-2015-8852
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.