CVE-2017-8807

moderate-risk
Published 2017-11-16

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.

Do I need to act?

~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Varnish
Varnish Cache

Affected Vendors

Varnish Cache Project Debian Varnish-Cache

References (12)

Patch http://varnish-cache.org/security/VSV00002.html
Third Party Advisory http://www.securityfocus.com/bid/101886
Issue Tracking https://bugs.debian.org/881808
Patch https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c...
Issue Tracking https://github.com/varnishcache/varnish-cache/pull/2429
Third Party Advisory https://www.debian.org/security/2017/dsa-4034
Patch http://varnish-cache.org/security/VSV00002.html
Third Party Advisory http://www.securityfocus.com/bid/101886
Issue Tracking https://bugs.debian.org/881808
Patch https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c...
Issue Tracking https://github.com/varnishcache/varnish-cache/pull/2429
Third Party Advisory https://www.debian.org/security/2017/dsa-4034
44
/ 100
moderate-risk
Severity 31/34 · Critical
Exploitability 4/34 · Minimal
Exposure 9/34 · Low