Where
AND
AND
-Infinity
0
Severity
9.8
Integer Overflow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A flaw was reported in kernel TCP subsystem while calculating a packet round trip time, when a sysctl parameter (/proc/sys/net/ipv4/tcpminrttwlen) when is set wrongly. This causes an integer over flaw which can lead to a Denial Of Service (DOS) attack.

Additional Information: ----------------------- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19fad20d15a6494f47f85d869f00b11343ee5c78

1 / 3
Source: Red Hat

Remedy

This flaw can be mitigated by setting the sysctl parameter (/proc/sys/net/ipv4/tcp_min_rtt_wlen) with 300 which means the packet time will not exceed more then 5 minutes and which should not cause an integer overflow.
First published (updated )
Severity
9.8
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

A deserialization flaw was discovered in the jackson-databind which could allow an unauthenticated user to perform code execution by sending maliciously crafted input to the readValue method of ObjectMapper. This issue extends upon the previous flaws CVE-2017-7525 and CVE-2017-15095 by blacklisting more classes that could be used maliciously.

1 / 3
First published (updated )

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