Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Physical
0

CVE-2011-1776

Disclosure Date: September 06, 2011 •
CVE-2011-1776 CVSS v3 Base Score: 6.1
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The is_gpt_valid function in fs/partitions/efi.c in the Linux kernel before 2.6.39 does not check the size of an Extensible Firmware Interface (EFI) GUID Partition Table (GPT) entry, which allows physically proximate attackers to cause a denial of service (heap-based buffer overflow and OOPS) or obtain sensitive information from kernel heap memory by connecting a crafted GPT storage device, a different vulnerability than CVE-2011-1577.

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CVSS V3 Severity and Metrics
Base Score:
6.1 Medium
Impact Score:
5.2
Exploitability Score:
0.9
Vector:
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector (AV):
Physical
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • linux,
  • redhat

Products

  • enterprise linux desktop 5.0,
  • enterprise linux server 5.0,
  • enterprise linux server aus 5.6,
  • enterprise linux server eus 5.6,
  • enterprise linux workstation 5.0,
  • linux kernel
Technical Analysis