Home/CVE/Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core
CVE

CVE-2019-11482

Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core

Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.

MEDIUM · CVSS 4.2 EPSS 0.00087
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition
▤

Affected Products & Versions

2
canonical ubuntu linuxall versions
apport project apportall versions
▣

Scoring & Timeline

4.2
MEDIUM · CVSS v3.1 · security@ubuntu.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Feb 2020 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
⚑

Vendor Advisories

2
usnUSN-4171-2
usnUSN-4171-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://usn.ubuntu.com/usn/usn-4171-1Third Party Advisory
https://usn.ubuntu.com/usn/usn-4171-2Third Party Advisory
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