Critical severity · published Nov 16, 2017
CVE-2017-8807
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…
9.1
CVSS
4.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
VA
Varnish · Varnish-cache
4.1.0 before 4.1.9 · source: NVD
VC
Varnish Cache · Varnish Cache Project
5.0.0 before 5.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8807
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/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7
Issue Tracking
https://github.com/varnishcache/varnish-cache/pull/2429
Third Party Advisory
https://www.debian.org/security/2017/dsa-4034
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