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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2017-10-02T21:00:00
Updated: 2024-08-05T19:05:20.078Z
Reserved: 2017-08-25T00:00:00
Link: CVE-2017-13704
Vulnrichment
No data.
NVD
Status : Modified
Published: 2017-10-03T01:29:01.637
Modified: 2023-11-07T02:38:41.510
Link: CVE-2017-13704
Redhat