CVE-2018-6557 (GCVE-0-2018-6557)
Vulnerability from cvelistv5 – Published: 2018-08-21 16:00 – Updated: 2024-09-16 18:24
VLAI
Title
Insecure temporary file use in base-files
Summary
The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10.1ubuntu6 incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.
Severity
7.0 (High)
CWE
- Insecure Temporary File
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://usn.ubuntu.com/3748-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://www.securitytracker.com/id/1041530 | vdb-entryx_refsource_SECTRACK |
| http://www.securityfocus.com/bid/105148 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ubuntu | base-files |
Affected:
unspecified , < 10.1ubuntu2.2
(custom)
|
Date Public
2018-08-21 00:00
Credits
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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