CVE-2018-1000001

Description

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.

References

https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/

https://www.exploit-db.com/exploits/44889/

https://www.exploit-db.com/exploits/43775/

https://usn.ubuntu.com/3536-1/

https://usn.ubuntu.com/3534-1/

https://security.netapp.com/advisory/ntap-20190404-0003/

https://access.redhat.com/errata/RHSA-2018:0805

http://www.securitytracker.com/id/1040162

http://www.securityfocus.com/bid/102525

http://seclists.org/oss-sec/2018/q1/38

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3