CVE-2017-8807
Description
vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects.
Predictions
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 | 9.0 | affected | |
| debian | bookworm | fixed | 5.2.1-1 |
| debian | bullseye | fixed | 5.2.1-1 |
| debian | forky | fixed | 5.2.1-1 |
| debian | sid | fixed | 5.2.1-1 |
| debian | trixie | fixed | 5.2.1-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| varnish-cache | varnish | {"startIncluding":"4.1.0","endExcluding":"4.1.9"} | 4.1.9 |
| varnish_cache_project | varnish_cache | {"startIncluding":"5.0.0","endExcluding":"5.2.1"} | 5.2.1 |
References
- http://varnish-cache.org/security/VSV00002.html
- http://www.securityfocus.com/bid/101886
- https://bugs.debian.org/881808
- https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7
- https://github.com/varnishcache/varnish-cache/pull/2429
- https://www.debian.org/security/2017/dsa-4034
- https://security-tracker.debian.org/tracker/CVE-2017-8807
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.