PT-2017-18542 · Varnish+1 · Varnish Http Cache+1

Carlo Cannas + 1 · Published 2017-11-15 · Updated 2022-08-02 · CVE-2017-8807

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions Varnish HTTP Cache versions 4.1.x through 4.1.8 Varnish HTTP Cache versions 5.x through 5.2.0

Description The issue allows remote attackers to obtain sensitive information from process memory due to a VFP GetStorage buffer being larger than intended in certain circumstances involving -sfile Stevedore transient objects. This occurs because of an error in the vbf stp error function in bin/varnishd/cache/cache fetch.c.

Recommendations For Varnish HTTP Cache versions 4.1.x through 4.1.8, update to version 4.1.9 or later. For Varnish HTTP Cache versions 5.x through 5.2.0, update to version 5.2.1 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-8807

DSA-4034-1

MGASA-2017-0435

USN-4824-1

Affected Products

Ubuntu

Varnish Http Cache

References · 24

• https://github.com/varnishcache/varnish-cache/pull/2429 · Vendor Advisory
• https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4824-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-8807 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4034-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0435.html · Security Note
• https://debian.org/security/2017/dsa-4034 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-8807 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-8807 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-8807 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-8807 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0435 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4824-1 · Vendor Advisory
• http://varnish-cache.org/security/VSV00002.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-8807 · Vendor Advisory