Bug#875342: opencv: CVE-2017-12862: AutoBuffer_heap_overflow in grfmt_pxm.cpp

[Salvatore Bonaccorso]

Source: opencv
Version: 2.4.9.1+dfsg-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/opencv/opencv/issues/9370

Hi,

the following vulnerability was published for opencv.

CVE-2017-12862[0]:
| In modules/imgcodecs/src/grfmt_pxm.cpp, the length of buffer
| AutoBuffer _src is small than expected, which will cause copy buffer
| overflow later. If the image is from remote, may lead to remote code
| execution or denial of service. This affects Opencv 3.3 and earlier.

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-2017-12862
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12862
[1] https://github.com/opencv/opencv/issues/9370

Regards,
Salvatore