Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://seclists.org/oss-sec/2018/q1/38
- https://usn.ubuntu.com/3534-1/
- https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/
- http://www.securityfocus.com/bid/102525
- https://www.exploit-db.com/exploits/44889/
- https://www.exploit-db.com/exploits/43775/
- https://usn.ubuntu.com/3536-1/
- https://access.redhat.com/errata/RHSA-2018:0805
- http://www.securitytracker.com/id/1040162
- https://security.netapp.com/advisory/ntap-20190404-0003/
ADP enrichment
No English description supplied.
- http://seclists.org/oss-sec/2018/q1/38
- https://usn.ubuntu.com/3534-1/
- https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/
- http://www.securityfocus.com/bid/102525
- https://www.exploit-db.com/exploits/44889/
- https://www.exploit-db.com/exploits/43775/
- https://usn.ubuntu.com/3536-1/
- https://access.redhat.com/errata/RHSA-2018:0805
- http://www.securitytracker.com/id/1040162
- https://security.netapp.com/advisory/ntap-20190404-0003/