CVE-2018-6764 — Origin Validation Error in Ubuntu Linux

CWE-346 — Origin Validation ErrorCWE-179 — Incorrect Behavior Order: Early Validation10 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 89.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Redhat LibvirtCanonical Ubuntu LinuxDebian Linux+4 more
Timeline
PublishedFeb 23
Latest updateMay 13

Description

util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages5 packages

▶Debianredhat/libvirt< 4.0.0-2+3

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 17.10

Patches

Patch: www.redhat.com ↗Patch: www.redhat.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-37fp-qc5g-vpxr: util/virlog↗2022-05-13
▶
CVEList
CVE-2018-6764: util/virlog↗2018-02-23
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OSV
CVE-2018-6764: util/virlog↗2018-02-23
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📋Vendor Advisories

3
Ubuntu
libvirt vulnerabilities↗2018-02-20
▶
Red Hat
libvirt: guest could inject executable code via libnss_dns.so loaded by libvirt_lxc before init↗2018-02-05
▶
Debian
CVE-2018-6764: libvirt - util/virlog.c in libvirt does not properly determine the hostname on LXC contain...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-6764 libvirt: guest could inject executable code via libnss_dns.so loaded by libvirt_lxc before init [fedora-all]↗2018-02-07
▶
Bugzilla
CVE-2018-6764 mingw-libvirt: libvirt: guest could inject executable code via libnss_dns.so loaded by libvirt_lxc before init [fedora-all]↗2018-02-07
▶
Bugzilla
CVE-2018-6764 libvirt: guest could inject executable code via libnss_dns.so loaded by libvirt_lxc before init↗2018-02-02
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CVE-2018-6764 — Origin Validation Error in Ubuntu Linux | cvebase