[Secure-testing-team] Bug#874731: nasm: CVE-2017-14228: illegal address access in function paste_tokens()

[Salvatore Bonaccorso]

Source: nasm
Version: 2.13.01-2
Severity: important
Tags: security upstream
Forwarded: https://bugzilla.nasm.us/show_bug.cgi?id=3392423

Hi,

the following vulnerability was published for nasm.

CVE-2017-14228[0]:
| In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access
| in the function paste_tokens() in preproc.c, aka a NULL pointer
| dereference. It will lead to remote denial of service.

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-2017-14228
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14228
[1] https://bugzilla.nasm.us/show_bug.cgi?id=3392423

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore