Source: busybox
Version: 1:1.27.2-3
Severity: normal
Tags: patch security upstream
Forwarded: https://bugs.busybox.net/show_bug.cgi?id=11506

Hi,

The following vulnerability was published for busybox.

CVE-2018-20679[0]:
| An issue was discovered in BusyBox before 1.30.0. An out of bounds read
| in udhcp components (consumed by the DHCP server, client, and relay)
| allows a remote attacker to leak sensitive information from the stack
| by sending a crafted DHCP message. This is related to verification in
| udhcp_get_option() in networking/udhcp/common.c that 4-byte options are
| indeed 4 bytes.

Note that the only once commit initially referenced for CVE-2018-20679
is incomplete, but see security-tracker for further notes.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-20679
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20679

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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