CVE & CISA-KEV Catalog

CVE-2020-10737

MEDIUM
6.3
CVSS v3
NVD

Description

A race condition was found in the mkhomedir tool shipped with the oddjob package in versions before 0.34.5 and 0.34.6 wherein, during the home creation, mkhomedir copies the /etc/skel directory into the newly created home and changes its ownership to the home's user without properly checking the homedir path. This flaw allows an attacker to leverage this issue by creating a symlink point to a target folder, which then has its ownership transferred to the new home directory's unprivileged user.

How to fix

Remediation Available
oddjobDebian
Fixed in:0.34.6-1CVE-2020-10737
Fixed in:0.34.6-1CVE-2020-10737
Fixed in:0.34.6-1CVE-2020-10737
Fixed in:0.34.6-1CVE-2020-10737
oddjobUbuntu
Fixed in:0.34.3-2ubuntu0.1~esm1USN-5169-1
Fixed in:0.34.3-4ubuntu0.1~esm1USN-5169-1
Fixed in:0.34.4-1ubuntu0.1~esm1USN-5169-1
oddjob-mkhomedirUbuntu
Fixed in:0.34.3-2ubuntu0.1~esm1USN-5169-1
Fixed in:0.34.3-4ubuntu0.1~esm1USN-5169-1
Fixed in:0.34.4-1ubuntu0.1~esm1USN-5169-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.29%probability of exploitation in 30 days
21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Patch1
Vendor Advisory1

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-6387High8.1100%-Fix
CVE-2023-36884High7.599%KEV + RansomFix
CVE-2018-15473Medium5.399%-Fix
CVE-2024-27983High8.287%-Fix
CVE-2014-0226Medium6.886%-Fix
CVE-2016-5195High7.084%KEVFix
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.