usersfile.c in liboath in OATH Toolkit before 2.4.1 does not properly handle lines…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 38
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nongnu:oath_toolkit:*:*:*:*:*:*:*:* | up to 2.4.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.2.0:*:*:*:*:*:*:* | 1.2.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.2.2:*:*:*:*:*:*:* | 1.2.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.4.1:*:*:*:*:*:*:* | 1.4.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.4.2:*:*:*:*:*:*:* | 1.4.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.4.3:*:*:*:*:*:*:* | 1.4.3 | Vulnerable | Nongnu |
- cpe:2.3:a:nongnu:oath_toolkit:*:*:*:*:*:*:*:* Versions up to 2.4.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·Nongnu
Show 28 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nongnu:oath_toolkit:1.4.4:*:*:*:*:*:*:* | 1.4.4 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.4.5:*:*:*:*:*:*:* | 1.4.5 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.4.6:*:*:*:*:*:*:* | 1.4.6 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.6.0:*:*:*:*:*:*:* | 1.6.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.6.1:*:*:*:*:*:*:* | 1.6.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.6.2:*:*:*:*:*:*:* | 1.6.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.6.3:*:*:*:*:*:*:* | 1.6.3 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.6.4:*:*:*:*:*:*:* | 1.6.4 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.8.0:*:*:*:*:*:*:* | 1.8.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.8.1:*:*:*:*:*:*:* | 1.8.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.8.2:*:*:*:*:*:*:* | 1.8.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.10.0:*:*:*:*:*:*:* | 1.10.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.10.1:*:*:*:*:*:*:* | 1.10.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.10.2:*:*:*:*:*:*:* | 1.10.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.10.3:*:*:*:*:*:*:* | 1.10.3 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.10.4:*:*:*:*:*:*:* | 1.10.4 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.10.5:*:*:*:*:*:*:* | 1.10.5 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.0:*:*:*:*:*:*:* | 1.12.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.1:*:*:*:*:*:*:* | 1.12.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.2:*:*:*:*:*:*:* | 1.12.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.3:*:*:*:*:*:*:* | 1.12.3 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.4:*:*:*:*:*:*:* | 1.12.4 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.5:*:*:*:*:*:*:* | 1.12.5 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:1.12.6:*:*:*:*:*:*:* | 1.12.6 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | Nongnu |
| cpe:2.3:a:nongnu:oath_toolkit:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Nongnu |
- cpe:2.3:a:nongnu:oath_toolkit:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.4.6:*:*:*:*:*:*:* Versions 1.4.6 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.6.2:*:*:*:*:*:*:* Versions 1.6.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.6.3:*:*:*:*:*:*:* Versions 1.6.3 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.6.4:*:*:*:*:*:*:* Versions 1.6.4 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.10.0:*:*:*:*:*:*:* Versions 1.10.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.10.1:*:*:*:*:*:*:* Versions 1.10.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.10.2:*:*:*:*:*:*:* Versions 1.10.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.10.3:*:*:*:*:*:*:* Versions 1.10.3 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.10.4:*:*:*:*:*:*:* Versions 1.10.4 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.10.5:*:*:*:*:*:*:* Versions 1.10.5 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.0:*:*:*:*:*:*:* Versions 1.12.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.1:*:*:*:*:*:*:* Versions 1.12.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.2:*:*:*:*:*:*:* Versions 1.12.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.3:*:*:*:*:*:*:* Versions 1.12.3 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.4:*:*:*:*:*:*:* Versions 1.12.4 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.5:*:*:*:*:*:*:* Versions 1.12.5 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:1.12.6:*:*:*:*:*:*:* Versions 1.12.6 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·Nongnu
- cpe:2.3:a:nongnu:oath_toolkit:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Nongnu
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-7322
- 2026-10-03 Alias added: GHSA-2xxx-v399-cp66
References
Other 5
- [oss-security] 20140209 Re: oath-toolkit PAM module OTP token invalidation issue
- [OATH-Toolkit-help] 20131214 Re: libpam-oath vulnerable to replay of OTP as result of incorrectly parsing comments in users file?
- [OATH-Toolkit-help] 20131209 libpam-oath vulnerable to replay of OTP as result of incorrectly parsing comments in users file?
- [OATH-Toolkit-help] 20131214 Re: libpam-oath vulnerable to replay of OTP as result of incorrectly parsing comments in users file?
- http://www.nongnu.org/oath-toolkit/NEWS.html
Sources
- CVE-2013-7322 · CVE Program
- CVE-2013-7322 · NVD
- FIRST EPSS
- GHSA-2xxx-v399-cp66 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-7322 · Red Hat security data · CC BY 4.0
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