[Debian-iot-maintainers] Bug#1040594: libcoap3: CVE-2023-30362

[Moritz Mühlenhoff]

Source: libcoap3
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerability was published for libcoap3.

CVE-2023-30362[0]:
| Buffer Overflow vulnerability in coap_send function in libcoap
| library 4.3.1-103-g52cfd56 fixed in 4.3.1-120-ge242200 allows
| attackers to obtain sensitive information via malformed pdu.

https://github.com/obgm/libcoap/issues/1063
https://github.com/obgm/libcoap/commit/e242200f0af2a418dc9f69eee543feacc13cd851


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-2023-30362
    https://www.cve.org/CVERecord?id=CVE-2023-30362

Please adjust the affected versions in the BTS as needed.