Vulnerability Monitor

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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.

Published

2019-11-19T18:15:10.523

Last Modified

2024-11-21T04:33:52.093

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.3 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nlnetlabs	unbound	≤ 1.9.4	Yes
Operating System	fedoraproject	fedora	31	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	opensuse	leap	15.2	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/11/19/1 Exploit, Mailing List, Third Party Advisory ([email protected])
https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog Release Notes ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/ ([email protected])
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt Patch, Vendor Advisory ([email protected])
https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/ Release Notes, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/11/19/1 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)