CVE-2019-18934 — OS Command Injection in Unbound

CWE-78 — OS Command InjectionCWE-20 — Improper Input Validation8 documents7 sources
Severity
7.3HIGHNVD
EPSS
0.7%
top 28.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Nlnetlabs UnboundFedoraproject FedoraOpensuse Leap
Timeline
PublishedNov 19
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LExploitability: 3.9 | Impact: 3.4

Affected Packages3 packages

▶Debiannlnetlabs/unbound< 1.9.6-1+3
▶NVDnlnetlabs/unbound1.6.4 — 1.9.4
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Fedora 31

Patches

Patch: www.nlnetlabs.nl ↗Patch: www.nlnetlabs.nl ↗

🔴Vulnerability Details

3
GHSA
GHSA-p35c-m7rx-rcvq: Unbound 1↗2022-05-24
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OSV
CVE-2019-18934: Unbound 1↗2019-11-19
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CVEList
CVE-2019-18934: Unbound 1↗2019-11-19
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📋Vendor Advisories

2
Red Hat
unbound: command injection with data coming from a specially crafted IPSECKEY answer↗2019-11-26
▶
Debian
CVE-2019-18934: unbound - Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can...↗2019
▶

💬Community

2
Bugzilla
CVE-2019-18934 unbound: receiving a specially crafted answer can cause shell code execution [fedora-all]↗2019-11-26
▶
Bugzilla
CVE-2019-18934 unbound: command injection with data coming from a specially crafted IPSECKEY answer↗2019-11-26
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CVE-2019-18934 — OS Command Injection in Unbound | cvebase