Memory leak in Varnish Cache - CVE-2017-8807

Vulnerability identifier: #VU20864

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-8807

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due memory leak in the vbf_stp_error() function in bin/varnishd/cache/cache_fetch.c. A remote attacker can gain access to sensitive information.

Varnish Cache
Arch Linux
Fedora
varnish (Alpine package)
varnish

Install updates from vendor's website.

Varnish Cache - addressed in versions 4.1.9, 5.2.1
varnish (Alpine package) - update to 4.1.9-r0
varnish - addressed in versions 5.0.0-5.fc25, 5.1.3-4.fc26, 5.1.3-4.fc27

• https://varnish-cache.org/security/VSV00002.html

• Memory leak in Varnish Cache
• Arch Linux update for varnish
• Memory leak in varnish (Alpine package)
• Fedora 26 update for varnish
• Fedora 25 update for varnish
• Fedora 27 update for varnish