CVE-2019-9924: canonical ubuntu_linux Missing Authorization
CVSS: 7.8v3.1HighModified
AliasesMGASA-2019-0163SUSE-SU-2019:0838-1SUSE-SU-2019:0838-2SUSE-SU-2019:0898-1RHSA-2020:1113RHSA-2020:3474RHSA-2020:3592RHSA-2020:3803UBUNTU-CVE-2019-9924USN-4058-1USN-4058-2DEBIAN-CVE-2019-9924
Published 22-03-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-9924 is a high (CVSS 7.8) Missing Authorization vulnerability in canonical ubuntu_linux. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 22-03-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.
CVSS metrics
6 scores · 4 sources · 3 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · Red hatEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 7.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
0.00 pp
From 0.40% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse18 products
- bash&distro=SUSE Enterprise Storage 4< 4.3-83.23.1
- bash&distro=SUSE Linux Enterprise Desktop 12 SP3< 4.3-83.23.1
- bash&distro=SUSE Linux Enterprise Desktop 12 SP4< 4.3-83.23.1
- bash&distro=SUSE Linux Enterprise Server 12 SP1-LTSS< 4.2-83.3.1
- bash&distro=SUSE Linux Enterprise Server 12 SP2-BCL< 4.3-83.23.1
Redhat3 products
- bash< 0:4.2.46-34.el7 | < 0:4.2.46-32.el7_6 | < 0:4.2.46-34.el7_7 | < 0:4.2.46-30.el7_4
- bash-debuginfo< 0:4.2.46-34.el7 | < 0:4.2.46-32.el7_6 | < 0:4.2.46-34.el7_7 | < 0:4.2.46-30.el7_4
- bash-doc< 0:4.2.46-34.el7 | < 0:4.2.46-32.el7_6 | < 0:4.2.46-34.el7_7 | < 0:4.2.46-30.el7_4
Debian2 products
- bash< 4.4-1
- debian_linuxEOL8.0
Netapp2 products
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04
Gnu1 product
- bash< 4.4 | 4.4:beta1
Mageia1 product
- bash< 4.3-48.4.mga6
Opensuse1 product
- leapEOL42.3
Ubuntu1 product
- bash< 4.3-14ubuntu1.4 | < 4.3-7ubuntu1.8+esm1
9 vendors · 30 products
References
34 links- bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441X Refsource MISCIssue TrackingThird Party Advisory
- git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testingX Refsource MISCREPORTVendor Advisory
- lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory