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Vulnerability record · CVE-2010-1646 · published 7 June 2010

CVE-2010-1646: Todd miller sudo permissions and access controls vulnerability

Todd Miller · Sudo

The secure path feature in env.c in sudo 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6 does not properly handle an environment that contains multiple PATH variables, which might allow local users to gain privileges via a crafted value of the last PATH variable.

6.2 CVSS 2.0 Medium EPSS 0.46% · top 62.8% CWE-264 · Permissions and access controls
6.2CVSS 2.0 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
58References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

The secure path feature in env.c in sudo 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6 does not properly handle an environment that contains multiple PATH variables, which might allow local users to gain privileges via a crafted value of the last PATH variable.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042838.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043012.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043026.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://secunia.com/advisories/40002 Vendor Advisory
http://secunia.com/advisories/40188
http://secunia.com/advisories/40215
http://secunia.com/advisories/40508
http://secunia.com/advisories/43068
http://security.gentoo.org/glsa/glsa-201009-03.xml
http://wiki.rpath.com/Advisories:rPSA-2010-0075
http://www.debian.org/security/2010/dsa-2062
http://www.mandriva.com/security/advisories?name=MDVSA-2010:118
http://www.osvdb.org/65083
http://www.redhat.com/support/errata/RHSA-2010-0475.html
http://www.securityfocus.com/archive/1/514489/100/0/threaded
http://www.securityfocus.com/bid/40538
http://www.securitytracker.com/id?1024101
http://www.sudo.ws/repos/sudo/rev/3057fde43cf0 ExploitPatch
http://www.sudo.ws/repos/sudo/rev/a09c6812eaec ExploitPatch
http://www.sudo.ws/sudo/alerts/secure_path.html Vendor Advisory
http://www.vupen.com/english/advisories/2010/1452
http://www.vupen.com/english/advisories/2010/1478
http://www.vupen.com/english/advisories/2010/1518
http://www.vupen.com/english/advisories/2010/1519
http://www.vupen.com/english/advisories/2011/0212
https://bugzilla.redhat.com/show_bug.cgi?id=598154
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10580
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7338
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042838.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043012.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043026.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://secunia.com/advisories/40002 Vendor Advisory
http://secunia.com/advisories/40188
http://secunia.com/advisories/40215
http://secunia.com/advisories/40508
http://secunia.com/advisories/43068
http://security.gentoo.org/glsa/glsa-201009-03.xml
http://wiki.rpath.com/Advisories:rPSA-2010-0075

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-1646), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.