CVE-2016-9401: Use After Free
First published: Fri Nov 18 2016(Updated: )
A vulnerability was found in popd. It can be tricked to free a user supplied address in the following way: $ popd +-111111 This could be used to bypass restricted shells (rsh) on some environments to cause use-after-free. References: <a href="http://seclists.org/oss-sec/2016/q4/445">http://seclists.org/oss-sec/2016/q4/445</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Bash | <4.4 | |
| GNU Bash | =4.4-patch1 | |
| GNU Bash | =4.4-patch2 | |
| GNU Bash | =4.4-patch3 | |
| GNU Bash | =4.4-patch4 | |
| GNU Bash | =4.4-patch5 | |
| Debian Debian Linux | =8.0 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.4 | |
| Redhat Enterprise Linux Server Aus | =7.6 | |
| Redhat Enterprise Linux Server Aus | =7.7 | |
| Redhat Enterprise Linux Server Eus | =7.4 | |
| Redhat Enterprise Linux Server Eus | =7.5 | |
| Redhat Enterprise Linux Server Eus | =7.6 | |
| Redhat Enterprise Linux Server Eus | =7.7 | |
| Redhat Enterprise Linux Server Tus | =7.6 | |
| Redhat Enterprise Linux Server Tus | =7.7 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =7.0 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- http://www.openwall.com/lists/oss-security/2016/11/17/5
- http://www.openwall.com/lists/oss-security/2016/11/17/9
- http://www.securityfocus.com/bid/94398
- https://access.redhat.com/errata/RHSA-2017:1931
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.html
- https://security.gentoo.org/glsa/201701-02
- http://seclists.org/oss-sec/2016/q4/445
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1396387
- https://lists.gnu.org/archive/html/bug-bash/2016-11/msg00099.html
- https://lists.gnu.org/archive/html/bug-bash/2016-11/msg00116.html
- https://rhn.redhat.com/errata/RHSA-2017-0725.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1396383
- collector/nvd-index
- agent/weakness
- agent/references
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- version/gnu bash/4.4-patch2
- version/gnu bash/4.4-patch3
- version/gnu bash/4.4-patch4
- version/gnu bash/4.4-patch5
- vendor/debian
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- canonical/redhat enterprise linux workstation
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- version/redhat enterprise linux workstation/7.0