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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-15113
HistoryAug 05, 2020 - 8:15 p.m.

CVE-2020-15113

2020-08-0520:15:00
Debian Security Bug Tracker
security-tracker.debian.org
10

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

11.7%

In etcd before versions 3.3.23 and 3.4.10, certain directory paths are created (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients) with restricted access permissions (700) by using the os.MkdirAll. This function does not perform any permission checks when a given directory path exists already. A possible workaround is to ensure the directories have the desired permission (700).

OSVersionArchitecturePackageVersionFilename
Debian12alletcd<ย 3.3.25+dfsg-5etcd_3.3.25+dfsg-5_all.deb
Debian11alletcd<ย 3.3.25+dfsg-5etcd_3.3.25+dfsg-5_all.deb
Debian10alletcd<=ย 3.2.26+dfsg-3etcd_3.2.26+dfsg-3_all.deb
Debian999alletcd<ย 3.3.25+dfsg-5etcd_3.3.25+dfsg-5_all.deb
Debian13alletcd<ย 3.3.25+dfsg-5etcd_3.3.25+dfsg-5_all.deb

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

11.7%