Zlibc Environment Variable Handling Local Privilege Escalation Vulnerability
2022-2-3 02:52:11 Author: blog.exodusintel.com(查看原文) 阅读量:28 收藏
2022-2-3 02:52:11 Author: blog.exodusintel.com(查看原文) 阅读量:28 收藏
EIP-1a8a439f
A vulnerability exists in Zlibc that allows a local attacker to execute arbitrary code with elevated privileges through manipulation of the LD_ZLIB_CONFFILE and LD_ZLIB_UNCOMPRESSOR environment variables when calling setuid binaries.
Vulnerability Identifiers
- Exodus Intelligence: EIP-1a8a439f
- MITRE CVE: N/A
Vulnerability Metrics
- CVSSv2 Score: 6.6
Vendor References
- This vulnerability has been addressed in Zlibc version 0.9l.
- https://www.zlibc.linux.lu/download.html
- https://zlibc.linux.lu/mailman3/hyperkitty/list/[email protected]/
Discovery Credit
- Exodus Intelligence
Disclosure Timeline
- Disclosed to affected vendor: January 5th, 2022
- Disclosed to public: February 2nd, 2022
Further Information
Readers of this advisory who are interested in receiving further details around the vulnerability, mitigations, detection guidance, and more can contact us at [email protected].
Researchers who are interested in monetizing their 0Day and NDay can work with us through our Research Sponsorship Program.
文章来源: https://blog.exodusintel.com/2022/02/02/zlibc-environment-variable-handling-local-privilege-escalation-vulnerability/?utm_source=rss&utm_medium=rss&utm_campaign=zlibc-environment-variable-handling-local-privilege-escalation-vulnerability
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