PT-2017-8944 · Shadow+3 · Shadow+3

Rbalint · Published 2017-01-27 · Updated 2018-10-18 · CVE-2016-6252

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions shadow version 4.2.1

Description The issue allows local users to gain privileges via crafted input to newuidmap, due to an integer overflow.

Recommendations For shadow version 4.2.1, update to a version that fixes the integer overflow issue in newuidmap to prevent local users from gaining privileges.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2017-1251

CVE-2016-6252

DSA-3793-1

DSA-3793-2

MGASA-2017-0024

OPENSUSE-SU-2018_2127-1

SUSE-SU-2018:1995-1

SUSE-SU-2018:1997-1

SUSE-SU-2018:1997-2

SUSE-SU-2018_1995-1

SUSE-SU-2018_1997-1

SUSE-SU-2018_1997-2

USN-3276-1

USN-3276-2

Affected Products

Alt Linux

Suse

Ubuntu

Shadow

References · 35

• https://github.com/shadow-maint/shadow/issues/27 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2018:1997-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-6252 · Vendor Advisory
• http://openwall.com/lists/oss-security/2016/07/25/7 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-6252 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-6252 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0024 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0024.html · Security Note
• https://osv.dev/vulnerability/USN-3276-2 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3793-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6252 · Security Note
• https://ubuntu.com/security/notices/USN-3276-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3276-1 · Vendor Advisory
• https://bugzilla.suse.com/show_bug.cgi?id=979282 · Patch
• http://debian.org/security/2017/dsa-3793 · Vendor Advisory