In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.
References
Configurations
Configuration 1 (hide)
|
Configuration 2 (hide)
|
History
21 Nov 2024, 03:11
Type | Values Removed | Values Added |
---|---|---|
References | () http://thekelleys.org.uk/dnsmasq/CHANGELOG - Release Notes, Vendor Advisory | |
References | () http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=63437ffbb58837b214b4b92cb1c54bc5f3279928 - | |
References | () http://www.securityfocus.com/bid/101085 - Third Party Advisory, VDB Entry | |
References | () http://www.securityfocus.com/bid/101977 - | |
References | () http://www.securitytracker.com/id/1039474 - Third Party Advisory, VDB Entry | |
References | () https://access.redhat.com/security/vulnerabilities/3199382 - Issue Tracking, Third Party Advisory | |
References | () https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf - | |
References | () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TK6DWC53WSU6633EVZL7H4PCWBYHMHK/ - | |
References | () https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html - Third Party Advisory | |
References | () https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html - | |
References | () https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html - | |
References | () https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq - |
07 Nov 2023, 02:38
Type | Values Removed | Values Added |
---|---|---|
References |
|
|
Information
Published : 2017-10-03 01:29
Updated : 2024-11-21 03:11
NVD link : CVE-2017-13704
Mitre link : CVE-2017-13704
CVE.ORG link : CVE-2017-13704
JSON object : View
Products Affected
canonical
- ubuntu_linux
fedoraproject
- fedora
novell
- leap
redhat
- enterprise_linux_desktop
- enterprise_linux_workstation
- enterprise_linux_server
debian
- debian_linux
thekelleys
- dnsmasq
CWE
CWE-20
Improper Input Validation