CVE-2017-1000455
First published: Tue Jan 02 2018(Updated: )
GuixSD prior to Git commit 5e66574a128937e7f2fcf146d146225703ccfd5d used POSIX hard links incorrectly, leading the creation of setuid executables in "the store", violating a fundamental security assumption of GNU Guix.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Guix System Distribution | <=0.13.0 |
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Frequently Asked Questions
What is the severity of CVE-2017-1000455?
CVE-2017-1000455 is classified as a moderate severity vulnerability due to the potential for unauthorized access through setuid executables.
How do I fix CVE-2017-1000455?
To mitigate CVE-2017-1000455, upgrade to GNU GuixSD version 0.14.0 or later, where the hard link handling has been corrected.
What systems are affected by CVE-2017-1000455?
CVE-2017-1000455 affects GNU GuixSD versions prior to 0.14.0, specifically up to version 0.13.0.
What is the cause of CVE-2017-1000455?
CVE-2017-1000455 arises from incorrect usage of POSIX hard links, which can result in setuid files being created in the system store.
Can CVE-2017-1000455 lead to privilege escalation?
Yes, CVE-2017-1000455 can lead to privilege escalation by allowing unauthorized users to execute setuid binaries.
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