AttackerKBAKB:15981D05-5BE1-4F10-83B9-3763236991EBCVE-2018-1000001
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.005 Low
EPSS
Percentile
77.0%
In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.
Recent assessments:
Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0
References
seclists.org/oss-sec/2018/q1/38
www.securityfocus.com/bid/102525
www.securitytracker.com/id/1040162
access.redhat.com/errata/RHSA-2018:0805
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000001
security.netapp.com/advisory/ntap-20190404-0003
usn.ubuntu.com/3534-1
usn.ubuntu.com/3536-1
www.exploit-db.com/exploits/43775
www.exploit-db.com/exploits/44889
www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow
Related
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.005 Low
EPSS
Percentile
77.0%