Podatność CVE-2016-0728


Publikacja: 2016-02-07   Modyfikacja: 2016-02-08

Opis:
The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

W naszej bazie, znaleźliśmy następujące noty dla tego CVE:
Tytuł
Autor
Data
Med.
Linux kernel REFCOUNT overflow/Use-After-Free in keyrings
Perception Point...
20.01.2016

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

Ogólna skala CVSS
Znaczenie
Łatwość wykorzystania
7.2/10
10/10
3.9/10
Wymagany dostęp
Złożoność ataku
Autoryzacja
Lokalny
Niska
Nie wymagana
Wpływ na poufność
Wpływ na integralność
Wpływ na dostępność
Pełny
Pełny
Pełny
Affected software
Linux -> Linux kernel 
HP -> Server migration pack 
Google -> Android 

 Referencje:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html
http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/
http://rhn.redhat.com/errata/RHSA-2016-0064.html
http://rhn.redhat.com/errata/RHSA-2016-0065.html
http://rhn.redhat.com/errata/RHSA-2016-0068.html
http://source.android.com/security/bulletin/2016-03-01.html
http://www.debian.org/security/2016/dsa-3448
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
http://www.openwall.com/lists/oss-security/2016/01/19/2
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/81054
http://www.securitytracker.com/id/1034701
http://www.ubuntu.com/usn/USN-2870-1
http://www.ubuntu.com/usn/USN-2870-2
http://www.ubuntu.com/usn/USN-2871-1
http://www.ubuntu.com/usn/USN-2871-2
http://www.ubuntu.com/usn/USN-2872-1
http://www.ubuntu.com/usn/USN-2872-2
http://www.ubuntu.com/usn/USN-2872-3
http://www.ubuntu.com/usn/USN-2873-1
https://bto.bluecoat.com/security-advisory/sa112
https://bugzilla.redhat.com/show_bug.cgi?id=1297475
https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
https://www.exploit-db.com/exploits/39277/

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