Improper input validation in Thekelleys Dnsmasq
CVE-2015-8899
Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.001 (23.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Thekelleys Dnsmasq
- Canonical Ubuntu_linux — versions 15.10, 16.04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 91031 (vdb-entry, x_refsource_BID)
- [Dnsmasq-discuss] 20160418 Dnsmasq 2.75 on Ubuntu 16.04 crashes reproducibly (mailing-list, x_refsource_MLIST)
- USN-3009-1 (x_refsource_UBUNTU, vendor-advisory)
- [Dnsmasq-discuss] 20160503 Dnsmasq 2.75 on Ubuntu 16.04 crashes reproducibly (mailing-list, x_refsource_MLIST)
- [oss-security] 20160603 Re: CVE Request: Dnsmasq denial of service (mailing-list, x_refsource_MLIST)
- 1036045 (vdb-entry, x_refsource_SECTRACK)
- security@ubuntu.com (x_refsource_CONFIRM)
- [oss-security] 20160603 CVE Request: Dnsmasq denial of service (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2015-8899?
- CVE-2015-8899 is a high-severity vulnerability in Thekelleys Dnsmasq, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-06-30.
- How severe is CVE-2015-8899?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-8899 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.