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FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation Exploit

[ 0Day-ID-34773 ]
Full title
FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation Exploit [ Highlight ]
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Price: 10
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Platform
Verified
Price
free
Risk
[
Security Risk High
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Description
This Metasploit module exploits a race and use-after-free vulnerability in the FreeBSD kernel IPv6 socket handling. A missing synchronization lock in the IPV6_2292PKTOPTIONS option handling in setsockopt permits racing ip6_setpktopt access to a freed ip6_pktopts struct. This exploit overwrites the ip6po_pktinfo pointer of a ip6_pktopts struct in freed memory to achieve arbitrary kernel read/write.
CVE
CVE-2020-7457
Other Information
Abuses
0
Comments
0
Views
19 313
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Verified by 0day Admin
Verified by 0day Admin
This material is checked by Administration and absolutely workable.
Author
BL
29
Exploits
1616
Readers
57
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