5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:N/I:P/A:N
0.0004 Low
EPSS
Percentile
9.3%
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.
hmarco.org/bugs/glibc_ptr_mangle_weakness.html
www.openwall.com/lists/oss-security/2015/09/05/8
www.openwall.com/lists/oss-security/2016/01/20/1
launchpad.net/bugs/cve/CVE-2015-8777
nvd.nist.gov/vuln/detail/CVE-2015-8777
security-tracker.debian.org/tracker/CVE-2015-8777
ubuntu.com/security/notices/USN-2985-1
www.cve.org/CVERecord?id=CVE-2015-8777
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:N/I:P/A:N
0.0004 Low
EPSS
Percentile
9.3%