Vulnerability Description
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Bash | < 4.4 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 6.0 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2017-0725.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/17/5Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/17/9Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94398Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1931Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201701-02Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0725.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/17/5Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/17/9Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94398Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1931Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201701-02Third Party Advisory
FAQ
What is CVE-2016-9401?
CVE-2016-9401 is a vulnerability with a CVSS score of 5.5 (MEDIUM). popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
How severe is CVE-2016-9401?
CVE-2016-9401 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9401?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Bash, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus.