CVE-2017-1000363

 

Published at: - 17-07-2017 03:18

Last modified: - 17-01-2023 10:03

Total changes: - 4

Description

Linux drivers/char/lp.c Out-of-Bounds Write. Due to a missing bounds check, and the fact that parport_ptr integer is static, a 'secure boot' kernel command line adversary (can happen due to bootloader vulns, e.g. Google Nexus 6's CVE-2016-10277, where due to a vulnerability the adversary has partial control over the command line) can overflow the parport_nr array in the following code, by appending many (>LP_NO) 'lp=none' arguments to the command line.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://alephsecurity.com/vulns/aleph-2017023
• 98651-Third Party Advisory, VDB Entry
• DSA-3945-Third Party Advisory

 

Keywords

NVD

 

CVE-2017-1000363

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures