CVE-2015-8239

Severity: high (CVSS 7.0 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-10-10 · updated 2026-06-17
Weakness: CWE-362

Description

The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.

Affected products

sudo: 1.8.8, 1.8.8-b1, 1.8.8-b2, 1.8.8-b3, 1.8.8-rc1, 1.8.9 (+60)

References

http://www.openwall.com/lists/oss-security/2015/11/18/22
https://bugzilla.redhat.com/show_bug.cgi?id=1283635
https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195
https://www.sudo.ws/repos/sudo/rev/24a3d9215c64
https://www.sudo.ws/repos/sudo/rev/397722cdd7ec
http://www.openwall.com/lists/oss-security/2015/11/18/22
https://bugzilla.redhat.com/show_bug.cgi?id=1283635
https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195
https://www.sudo.ws/repos/sudo/rev/24a3d9215c64
https://www.sudo.ws/repos/sudo/rev/397722cdd7ec

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