In shadow before 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed…

Description

In shadow before 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.

Scores

EPSS (exploitation in 30 days)

2.7% · top 14% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• n/a
• CWE-119 (opens in a new tab)All about CWE-119 and its CVEs

Affected products

• n/a

  • affected n/a

References (5)

• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756630 (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-201710-16 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• https://github.com/shadow-maint/shadow/commit/954e3d2e7113e9ac06632aee3c69b8d818cc8952 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1266675 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [debian-lts-announce] 20210317 [SECURITY] [DLA 2596-1] shadow security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2017-12424](https://trackcve.app/badge/CVE-2017-12424.svg)](https://trackcve.app/cve/CVE-2017-12424)

Record last updated 5 Aug 2024, 18:36 UTC.