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mageiaGentoo FoundationMGASA-2020-0412
HistoryNov 10, 2020 - 6:20 p.m.

Updated sddm package fixes a security vulnerability

2020-11-1018:20:00
Gentoo Foundation
advisories.mageia.org
16
sddm
security vulnerability
privilege escalation
race condition
xauthority file
cve-2020-28049
update

CVSS2

3.3

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0

Percentile

5.1%

JSON

Fabian Vogt discovered a flaw in sddm before 0.19.0. A local attacker can take advantage of a race condition when creating the Xauthority file to escalate privileges (CVE-2020-28049).

OSVersionArchitecturePackageVersionFilename
Mageia7noarchsddm< 0.18.1-3.1sddm-0.18.1-3.1.mga7

Related

osv 4
debian 3
debiancve 1
veracode 1
nessus 5
gentoo 1
fedora 1
suse 2
ubuntucve 1
prion 1
nvd 1
openvas 5
archlinux 1
cve 1
cvelist 1
alpinelinux 1
osv
osv
CVE-2020-28049
2020-11-04 19:15:12
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2020-11-06 00:00:00
sddm - security update
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2020-11-06 10:29:25
[SECURITY] [DSA 4783-1] sddm security update
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debiancve
debiancve
CVE-2020-28049
2020-11-04 19:15:12
veracode
veracode
Authentication Bypass
2020-12-06 03:20:44
nessus
nessus
Fedora 33 : sddm (2021-7066b95c99)
2021-01-25 00:00:00
openSUSE Security Update : sddm (openSUSE-2020-1870)
2020-11-09 00:00:00
Debian DLA-2436-1 : sddm security update
2020-11-09 00:00:00
gentoo
gentoo
SDDM: Privilege Escalation
2024-02-03 00:00:00
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fedora
[SECURITY] Fedora 33 Update: sddm-0.19.0-3.fc33
2021-01-24 01:30:36
suse
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Security update for sddm (moderate)
2020-11-11 00:00:00
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2020-11-07 00:00:00
ubuntucve
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prion
prion
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2020-11-04 19:15:00
nvd
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2020-11-04 19:15:12
openvas
openvas
Debian: Security Advisory (DLA-2436-1)
2020-11-07 00:00:00
Mageia: Security Advisory (MGASA-2020-0412)
2022-01-28 00:00:00
Fedora: Security Advisory for sddm (FEDORA-2021-7066b95c99)
2021-01-25 00:00:00
archlinux
archlinux
[ASA-202011-8] sddm: privilege escalation
2020-11-10 00:00:00
cve
cve
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2020-11-04 19:15:12
cvelist
cvelist
CVE-2020-28049
2020-11-04 00:00:00
alpinelinux
alpinelinux
CVE-2020-28049
2020-11-04 19:15:12

CVSS2

3.3

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0

Percentile

5.1%

JSON
Related for MGASA-2020-0412
osv4debian3debiancve1veracode1nessus5gentoo1fedora1suse2ubuntucve1prion1nvd1openvas5archlinux1cve1cvelist1alpinelinux1