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CVE-2013-7322

usersfile.c in liboath in OATH Toolkit before 2.4.1 does not properly handle lines containing an invalid one-time-password (OTP) type and a user name in /etc/users.oath, which causes the wrong line to be updated when invalidating an OTP and allows context-dependent attackers to conduct replay attacks, as demonstrated by a commented out line when using libpam-oath.

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Severidad

N/A

EPSS

Probabilidad de explotación (próx. 30 días): 0.0038 (0.4%)
Percentil: 59.4%
EPSS: 2026-05-06

Afecta

nongnu:oath_toolkit

Descripción técnica

usersfile.c in liboath in OATH Toolkit before 2.4.1 does not properly handle lines containing an invalid one-time-password (OTP) type and a user name in /etc/users.oath, which causes the wrong line to be updated when invalidating an OTP and allows context-dependent attackers to conduct replay attacks, as demonstrated by a commented out line when using libpam-oath.

Publicada: 9/3/2014, 13:16:56
Última modificación: 6/5/2026, 22:30:45

Referencias

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