CVE-2015-8777

Sažetak

The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.

Reference

http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
http://www.debian.org/security/2016/dsa-3480
http://www.openwall.com/lists/oss-security/2016/01/20/1
http://www.securityfocus.com/bid/81469
http://www.securitytracker.com/id/1034811
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
https://access.redhat.com/errata/RHSA-2017:1916
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=18928

CVSS

Base:	2.1
Impact:	2.9
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	PARTIAL	NONE

CVSS vektor

AV:L/AC:L/Au:N/C:N/I:P/A:N

Zadnje važnije ažuriranje

05-01-2018 - 02:30

Objavljeno

20-01-2016 - 05:59