[Secure-testing-team] Bug#863151: lrzip: CVE-2017-8845: invalid memory read in lzo_decompress_buf

[Salvatore Bonaccorso]

Source: lrzip
Severity: important
Tags: upstream security
Forwarded: https://github.com/ckolivas/lrzip/issues/68

Hi,

the following vulnerability was published for lrzip.

CVE-2017-8845[0]:
| The lzo1x_decompress function in lzo1x_d.ch in LZO 2.08, as used in
| lrzip 0.631, allows remote attackers to cause a denial of service
| (invalid memory read and application crash) via a crafted archive.

Filling this downstream in the Debian BTS, with foward to the upstream
one so we can track any possible conclusion + fix.

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-2017-8845
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8845
[1] https://github.com/ckolivas/lrzip/issues/68

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore