Executive Summary

Informations
Name CVE-2019-11191 First vendor Publication 2019-04-11
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 2.5
Base Score 2.5 Environmental Score 2.5
impact SubScore 1.4 Temporal Score 2.5
Exploitabality Sub Score 1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 1.9 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The Linux kernel through 5.0.7, when CONFIG_IA32_AOUT is enabled and ia32_aout is loaded, allows local users to bypass ASLR on setuid a.out programs (if any exist) because install_exec_creds() is called too late in load_aout_binary() in fs/binfmt_aout.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat. NOTE: the software maintainer disputes that this is a vulnerability because ASLR for a.out format executables has never been supported

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11191

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3290

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/107887
MISC https://www.openwall.com/lists/oss-security/2019/04/03/4
https://www.openwall.com/lists/oss-security/2019/04/03/4/1
MLIST http://www.openwall.com/lists/oss-security/2019/04/18/5
http://www.openwall.com/lists/oss-security/2019/05/22/7
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
UBUNTU https://usn.ubuntu.com/4006-1/
https://usn.ubuntu.com/4006-2/
https://usn.ubuntu.com/4007-1/
https://usn.ubuntu.com/4007-2/
https://usn.ubuntu.com/4008-1/
https://usn.ubuntu.com/4008-3/

Alert History

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Date Informations
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2019-09-12 12:10:52
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2019-04-12 09:18:47
  • First insertion