CVE-2017-1000363

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 13 Jul 2017, 20:00
Last modified:05 Aug 2024, 22:00

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.54% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Jul 2017, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 22:00
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.54%• Percentile: 68%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    ≥ 2.6.12, < 3.2.91 | ≥ 3.3, < 3.10.106 | ≥ 3.11, < 3.16.46 | ≥ 3.17, < 3.18.55 | ≥ 3.19, < 4.1.41 | ≥ 4.2, < 4.4.70 | ≥ 4.5, < 4.9.30 | ≥ 4.10, < 4.11.3 | 4.12:rc1

References (3)