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CVE-2019-3804

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly...

7.5 HighFix available

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

4.86%Up 3.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
CVE-2019-3804
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-909
Updated
2026-11-02
EUVDEUVD-2019-13430 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
EUVD-2019-13430
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-gpg2-6gwq-vf2g 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly...

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
GHSA-gpg2-6gwq-vf2g
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-909
Updated
2026-11-02
NVD 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
CVE-2019-3804
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-909
Updated
2026-11-02
OSV 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
CVE-2019-3804
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2019-3804 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
DEBIAN-CVE-2019-3804
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVRHSA-2019:0482 7.5

Red Hat Security Advisory: cockpit security update

Record
RHSA-2019:0482
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2019:1569 7.5

Red Hat Security Advisory: redhat-virtualization-host security and enhancement update

Record
RHSA-2019:1569
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2019:1571 7.5

Red Hat Security Advisory: rhvm-appliance security, bug fix, and enhancement update

Record
RHSA-2019:1571
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-3804 7.5

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Record
UBUNTU-CVE-2019-3804
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
cockpit
Debian:12
 before 184-1
184-1
cockpit
Debian:13
 before 184-1
184-1
cockpit
Debian:14
 before 184-1
184-1
cockpit
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-bridge
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-system
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-ws
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-doc
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-machines-ovirt
Red Hat:enterprise_linux:7::client
 before 0:173.2-1.el7
0:173.2-1.el7
Show 29 moreShow less
Affected packages
PackageAffectedFixed
cockpit
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-bridge
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-system
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-ws
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-doc
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-machines-ovirt
Red Hat:enterprise_linux:7::computenode
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-bridge
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-system
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-ws
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-doc
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-machines-ovirt
Red Hat:enterprise_linux:7::server
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-bridge
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-system
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-ws
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-doc
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
cockpit-machines-ovirt
Red Hat:enterprise_linux:7::workstation
 before 0:173.2-1.el7
0:173.2-1.el7
redhat-virtualization-host
Red Hat:enterprise_linux:7::hypervisor
 before 0:4.3-20190610.0.el7_6
0:4.3-20190610.0.el7_6
redhat-virtualization-host-image-update
Red Hat:enterprise_linux:7::hypervisor
 before 0:4.3-20190610.0.el7_6
0:4.3-20190610.0.el7_6
redhat-release-virtualization-host
Red Hat:enterprise_linux:7::hypervisor
 before 0:4.3-0.8.el7
0:4.3-0.8.el7
redhat-virtualization-host-image-update-placeholder
Red Hat:enterprise_linux:7::hypervisor
 before 0:4.3-0.8.el7
0:4.3-0.8.el7
rhvm-appliance
Red Hat:enterprise_linux:7::hypervisor
 before 2:4.3-20190605.0.el7
2:4.3-20190605.0.el7
cockpit
Ubuntu:18.04:LTS
 All versions, plus listed versions
151-1156-1157-1158-1160-1
Show 4 moreShow less
161-1162-1163-1164-1
 None known
cockpit
Ubuntu:20.04:LTS
 All versions, plus listed versions
202.1-1204-1206-1207-1208-1
Show 6 moreShow less
210-1211-1212-1213-1214.1-1215-1
 None known
cockpit
Ubuntu:22.04:LTS
 All versions, plus listed versions
252-1256-1257-1258-1259-1
Show 6 moreShow less
260-1261-1262-1263-1264-1264-1ubuntu0.22.04.1
 None known

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-3804 is a high vulnerability (CVSS 7.5) in [unknown] Cockpit, published March 26, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.86%, the 92nd percentile. Fixed in cockpit 184-1.

References

Show 13 moreShow less
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