CVE-2017-14496

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.

CVSS v3.0 NVD

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS

66.35% chance of exploitation in the next 30 days, 99th percentile

Published

2017-10-02

Updated

2024-08-05

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/42946

Security advisories

• http://thekelleys.org.uk/dnsmasq/CHANGELOG
• http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
• http://www.debian.org/security/2017/dsa-3989
• http://www.securityfocus.com/bid/101085
• http://www.securitytracker.com/id/1039474
• http://www.ubuntu.com/usn/USN-3430-1
• http://www.ubuntu.com/usn/USN-3430-2
• https://access.redhat.com/errata/RHSA-2017:2836
• https://access.redhat.com/security/vulnerabilities/3199382
• https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
• https://source.android.com/security/bulletin/2017-10-01
• https://www.kb.cert.org/vuls/id/973527
• http://www.securityfocus.com/bid/101977

References

• CVE Record
• NVD entry