[Secure-testing-team] Bug#888533: openjpeg2: CVE-2018-5785: integer overflow in opj_j2k_setup_encoder function in openjp2/j2k.c

[Salvatore Bonaccorso]

Source: openjpeg2
Version: 2.3.0-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/uclouvain/openjpeg/issues/1057

Hi,

the following vulnerability was published for openjpeg2.

CVE-2018-5785[0]:
| In OpenJPEG 2.3.0, there is an integer overflow caused by an
| out-of-bounds left shift in the opj_j2k_setup_encoder function
| (openjp2/j2k.c). Remote attackers could leverage this vulnerability to
| cause a denial of service via a crafted bmp file.

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-2018-5785
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5785
[1] https://github.com/uclouvain/openjpeg/issues/1057
[2] https://bugzilla.redhat.com/show_bug.cgi?id=1537758#c2

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore