CVE-2019-3843

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-3843
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3843.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-3843
Related
Published
2019-04-26T21:29:00Z
Modified
2024-09-18T03:05:48.399465Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.

References

Affected packages

Debian:11 / systemd

Package

Name
systemd
Purl
pkg:deb/debian/systemd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
242-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / systemd

Package

Name
systemd
Purl
pkg:deb/debian/systemd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
242-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / systemd

Package

Name
systemd
Purl
pkg:deb/debian/systemd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
242-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/systemd/systemd

Affected ranges

Type
GIT
Repo
https://github.com/systemd/systemd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1e5d2d656420d0e755dbcf72aeba3c3aba54e956

Affected versions

Other

001
002
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006
007
008
009
010
011
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014
015
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019
020
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052
053
054
055
056
057
058
059
060
061
062
064
174
175
176
177
178
179
180
181
182
v1
v10
v11
v12
v13
v14
v15
v16
v17
v18
v183
v184
v185
v186
v187
v188
v189
v19
v190
v191
v192
v193
v194
v195
v196
v197
v198
v199
v2
v20
v200
v201
v202
v203
v204
v205
v206
v207
v208
v209
v21
v210
v211
v212
v213
v214
v215
v216
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v219
v22
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v221
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v23
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v232
v233
v234
v235
v236
v237
v238
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v24
v240
v241
v241-rc1
v241-rc2
v242-rc1
v242-rc2
v242-rc3
v242-rc4
v25
v26
v27
v28
v29
v3
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v4
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v43
v44
v5
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v7
v8
v9