CVE-2019-12210
In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file
02 Description
In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.05% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.1% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-06-04 20:28Z7 YR AGO
- Last updated
- 2024-08-04 23:17Z2 YR AGO
- Reserved
- 2019-05-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 6880f95a39ac3f9480b89b523e5e272520fa3d1a41876914116cd6d45349377c
05 Affected products
06 References
- developers.yubico.comhttps://developers.yubico.com/pam-u2f/Release_Notes.html
- github.comhttps://github.com/Yubico/pam-u2f/commit/18b1914e32b74ff52000f10e97067e841e5fff62
- www.openwall.com[oss-security] 20190605 pam-u2f: CVE-2019-12210: debug_file file descriptor leak, CVE-2019-12209: symlink attack on u2f_keys leading to possible information leakhttp://www.openwall.com/lists/oss-security/2019/06/05/1
- lists.opensuse.orgopenSUSE-SU-2019:1708http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html
- lists.opensuse.orgopenSUSE-SU-2019:1725http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html
07 Fixed in
Arch Linux
- pam-u2f Fixed in 1.0.8-2
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- pam-u2f Fixed in 1.0.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pam-u2f Fixed in 1.0.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pam-u2f Fixed in 1.0.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.