high7.5
CVE-2019-5747
An issue was discovered in BusyBox through 1.30.0.
Impact
An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP client, server, and/or relay) might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte length when decoding DHCP_SUBNET. NOTE: this issue exists because of an incomplete fix for CVE-2018-20679.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Busybox | Busybox | through 1.30.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 18.04, 18.10 |
Weakness classification
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- https://bugs.busybox.net/show_bug.cgi?id=11506
- https://git.busybox.net/busybox/commit/?id=74d9f1ba37010face4bd1449df4d60dd84450b06
- https://seclists.org/bugtraq/2019/Sep/7
- https://usn.ubuntu.com/3935-1/
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- https://bugs.busybox.net/show_bug.cgi?id=11506
- https://git.busybox.net/busybox/commit/?id=74d9f1ba37010face4bd1449df4d60dd84450b06
- https://seclists.org/bugtraq/2019/Sep/7
- https://usn.ubuntu.com/3935-1/