7.5
CVSSv2

CVE-2017-12424

Published: 04/08/2017 Updated: 23/03/2021
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

In shadow prior to 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed input may lead to crashes (with a buffer overflow or other memory corruption) or other unspecified behaviors. This crosses a privilege boundary in, for example, certain web-hosting environments in which a Control Panel allows an unprivileged user account to create subaccounts.

Vulnerability Trend

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shadow project shadow

debian debian linux 9.0

Vendor Advisories

Debian Bug report logs - #756630 shadow: CVE-2017-12424: newusers fails with multiple users Package: passwd; Maintainer for passwd is Shadow package maintainers <pkg-shadow-devel@listsaliothdebianorg>; Source for passwd is src:shadow (PTS, buildd, popcon) Reported by: Manfred Richter <manfred@driat> Date: Thu, 31 ...
Several security issues were fixed in shadow ...
A buffer overflow flaw leading to heap memory corruption was found in the shadow-utils's newusers utility A local, authenticated attacker could potentially use this flaw to crash the newusers process by supplying crafted data to it ...