CVE-2017-14496
high-risk
Published 2017-10-03
Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.
Do I need to act?
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16.9% chance of exploitation in next 30 days
EPSS score — higher than 83% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
References (44)
Release Notes
http://thekelleys.org.uk/dnsmasq/CHANGELOG
Third Party Advisory
http://www.debian.org/security/2017/dsa-3989
Third Party Advisory
http://www.securityfocus.com/bid/101085
Third Party Advisory
http://www.securitytracker.com/id/1039474
Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-1
Third Party Advisory
http://www.ubuntu.com/usn/USN-3430-2
Issue Tracking
https://access.redhat.com/security/vulnerabilities/3199382
Third Party Advisory
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
Third Party Advisory
https://source.android.com/security/bulletin/2017-10-01
Third Party Advisory
https://www.exploit-db.com/exploits/42946/
Third Party Advisory
https://www.kb.cert.org/vuls/id/973527
and 24 more references
66
/ 100
high-risk
Severity
26/34 · High
Exploitability
20/34 · Moderate
Exposure
20/34 · Moderate