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The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade krb5 | Jul 30, 2024 | Aug 9, 2006 |
| Gentoo Linux | — | Upgrade app-crypt/heimdal.Upgrade app-crypt/mit-krb5. | Oct 30, 2017 | Aug 9, 2006 |
| Ubuntu | — | Upgrade krb5-clientsUpgrade krb5-userUpgrade krb5-ftpdUpgrade krb5-rsh-server | Nov 8, 2024 | Aug 9, 2006 |
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