Home/CVE/Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiv
CVE

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 receiv

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.

HIGH · CVSS 7.3 EPSS 0.00671
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

3
nlnetlabs unbound>= 1.6.4 and <= 1.9.4
fedoraproject fedoraall versions
opensuse leapall versions
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Nov 2019 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11005-1
suse-csafSUSE-SU-2020:1819-1
suse-csafopenSUSE-SU-2020:0912-1
suse-csafopenSUSE-SU-2020:0913-1
suse-csafSUSE-SU-2020:1772-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/11/19/1ExploitMailing ListThird Party Advisory
https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/ChangelogRelease Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txtPatchVendor Advisory
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