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bash: BASH_CMD is writable in restricted bash shells

🗓️ 31 Mar 2020 19:33:44Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

rbash could be bypassed before Bash 4.4-beta2 by changing BASH_CMDS, enabling command execution.

Related
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Refs
ReporterTitlePublishedViews
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IBM Security Bulletins		Security Bulletin: Vulnerability in Bash affects IBM Spectrum Protect Plus (CVE-2019-9924)
31 Aug 202019:29
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IBM Security Bulletins		Security Bulletin: IBM Data Risk Manager is affected by multiple vulnerabilities
13 Aug 202122:15
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
3 Dec 202118:47
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar Network Packet Capture is using components with known vulnerabilities
31 Mar 202214:40
–ibm
Tenable Nessus		Amazon Linux 2 : bash (ALAS-2020-1503)
28 Oct 202000:00
–nessus
Tenable Nessus		Amazon Linux AMI : bash (ALAS-2020-1379)
2 Jul 202000:00
–nessus
Tenable Nessus		CentOS 7 : bash (RHSA-2020:1113)
10 Apr 202000:00
–nessus
Tenable Nessus		Debian DLA-1726-1 : bash security update
26 Mar 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP2 : bash (EulerOS-SA-2019-1563)
29 May 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP3 : bash (EulerOS-SA-2019-1564)
29 May 201900:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64bash0:4.2.46-34.el7bash-0:4.2.46-34.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebash0:4.2.46-34.el7bash-0:4.2.46-34.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xbash0:4.2.46-34.el7bash-0:4.2.46-34.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64bash0:4.2.46-34.el7bash-0:4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64bash-debuginfo0:4.2.46-34.el7bash-debuginfo-0:4.2.46-34.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebash-debuginfo0:4.2.46-34.el7bash-debuginfo-0:4.2.46-34.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xbash-debuginfo0:4.2.46-34.el7bash-debuginfo-0:4.2.46-34.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64bash-debuginfo0:4.2.46-34.el7bash-debuginfo-0:4.2.46-34.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64bash-doc0:4.2.46-34.el7bash-doc-0:4.2.46-34.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebash-doc0:4.2.46-34.el7bash-doc-0:4.2.46-34.el7.ppc64le.rpm
Rows per page

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25 Jun 2026 10:55Current
7.5High risk
Vulners AI Score7.5
CVSS 27.2
CVSS 3.17.8
EPSS0.00415
CWE-138
restricted bashbash commands variableshell permissions
3