Description
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
References (7)
Core 7
Core References
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0725.html
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1931
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/11/17/5
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/11/17/9
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/94398
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201701-02
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00028.html
Scores
CVSS v3
5.5
EPSS
0.0006
EPSS Percentile
19.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (18)
debian/debian_linux
8.0
gnu/bash
4.4 patch1 (5 CPE variants)
gnu/bash
< 4.4
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
... and 8 more
Published
Jan 23, 2017
Tracked Since
Feb 18, 2026