[Secure-testing-team] Bug#863155: lrzip: CVE-2017-8843: NULL pointer dereference in join_pthread

[Salvatore Bonaccorso]

Source: lrzip
Severity: important
Tags: upstream security
Forwarded: https://github.com/ckolivas/lrzip/issues/69

Hi,

the following vulnerability was published for lrzip. Filling this to
track upstream development and possible fix.

CVE-2017-8843[0]:
| The join_pthread function in stream.c in liblrzip.so in lrzip 0.631
| allows remote attackers to cause a denial of service (NULL pointer
| dereference and application crash) via a crafted archive.

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-2017-8843
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8843
[1] https://github.com/ckolivas/lrzip/issues/69

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore