National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-8569 Detail

Description

The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel through 4.3.3 do not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application.

Source:  MITRE
Description Last Modified:  12/28/2015

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 2.3 LOW
Vector: AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 0.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ccfd238e5a0e670d8178cf50180ea81ae09ae1
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://twitter.com/grsecurity/statuses/676744240802750464
http://www.debian.org/security/2016/dsa-3434
http://www.openwall.com/lists/oss-security/2015/12/15/11
http://www.securityfocus.com/bid/79428
http://www.securitytracker.com/id/1034549
http://www.ubuntu.com/usn/USN-2886-1
http://www.ubuntu.com/usn/USN-2888-1
http://www.ubuntu.com/usn/USN-2890-1
http://www.ubuntu.com/usn/USN-2890-2
http://www.ubuntu.com/usn/USN-2890-3
https://bugzilla.redhat.com/show_bug.cgi?id=1292045
https://github.com/torvalds/linux/commit/09ccfd238e5a0e670d8178cf50180ea81ae09ae1
https://lkml.org/lkml/2015/12/14/252

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.3.2


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8569
NVD Published Date:
12/28/2015
NVD Last Modified:
11/03/2017