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CVE-2018-20679

CVE-2018-20679

CVSS 7.5 HIGHEPSS 7.9%CWE-125
An issue was discovered in BusyBox before 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP server, client, and relay) allows a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to verification in udhcp_get_option() in networking/udhcp/common.c that 4-byte options are indeed 4 bytes.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Productos afectados
n/a · n/a

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Referencias
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlhttps://bugs.busybox.net/show_bug.cgi?id=11506https://busybox.net/news.htmlhttp://seclists.org/fulldisclosure/2019/Sep/7https://git.busybox.net/busybox/commit/?id=6d3b4bb24da9a07c263f3c1acf8df85382ff562chttps://seclists.org/bugtraq/2019/Sep/7https://usn.ubuntu.com/3935-1/