CVE-2019-18934

Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
nlnetlabsunbound
1.6.4 ≤
𝑥
≤ 1.9.4
opensuseleap
15.1
opensuseleap
15.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
unbound
bullseye
1.13.1-1+deb11u2
fixed
stretch
not-affected
jessie
not-affected
bullseye (security)
1.13.1-1+deb11u3
fixed
bookworm
1.17.1-2+deb12u2
fixed
bookworm (security)
1.17.1-2+deb12u2
fixed
sid
1.22.0-1
fixed
trixie
1.22.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
unbound
eoan
not-affected
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
http://www.openwall.com/lists/oss-security/2019/11/19/1
https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt
https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
http://www.openwall.com/lists/oss-security/2019/11/19/1
https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt
https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/