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OpenBSD Dynamic Loader chpass Privilege Escalation Exploit

[ 0Day-ID-33695 ]
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OpenBSD Dynamic Loader chpass Privilege Escalation Exploit [ Highlight ]
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Price
free
Risk
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Security Risk High
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Description
This Metasploit module exploits a vulnerability in the OpenBSD ld.so dynamic loader (CVE-2019-19726). The _dl_getenv() function fails to reset the LD_LIBRARY_PATH environment variable when set with approximately ARG_MAX colons. This can be abused to load libutil.so from an untrusted path, using LD_LIBRARY_PATH in combination with the chpass set-uid executable, resulting in privileged code execution. This module has been tested successfully on OpenBSD 6.1 (amd64) and OpenBSD 6.6 (amd64).
CVE
CVE-2019-19726
Other Information
Abuses
0
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0
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Open Exploit
You can open this source code for free
Open Exploit
Open Exploit
You can open this source code for free
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Verified by 0day Admin
This material is checked by Administration and absolutely workable.
Author
BL
29
Exploits
1633
Readers
57
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