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Fencer Intel
medium 6.2

CVE-2010-1646 json

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 cont…

published 16y ago modified 4mo ago also EUVD-2010-1667

cvss
6.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

Patch / fix

  • sudo Debian 14, Debian 13, Debian 12 1.7.2p7-1

debian advisories DEBIAN-CVE-2010-1646

  • sudo RHEL 5 1.7.2p1-7.el5_5

red hat advisories RHSA-2010:0475

  • sudo openSUSE Tumbleweed 1.8.18p1-1.1

opensuse advisories openSUSE-SU-2024:10551-1

Is CVE-2010-1646 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-1646 updated cvss 6.6

sudo: insufficient environment sanitization issue

  • Red Hat Enterprise Linux (v. 5 server) sudo 1.7.2p1-7.el5_5 Red Hat Enterprise Linux Desktop (v. 5 client) sudo 1.7.2p1-7.el5_5
    fixed: vendor fix RHSA-2010:0475

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sudo.ws http://www.sudo.ws/repos/sudo/rev/3057fde43cf0 referenced PoC, tagged "exploit" by a source, unverified
  • sudo.ws http://www.sudo.ws/repos/sudo/rev/a09c6812eaec referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.