Vulnerability Description
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.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Long Range Zip Project | Long Range Zip | 0.631 |
Related Weaknesses (CWE)
References
- https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pThird Party AdvisoryVDB Entry
- https://github.com/ckolivas/lrzip/issues/69Issue TrackingPatchThird Party Advisory
- https://security.gentoo.org/glsa/202005-01Third Party Advisory
- https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pThird Party AdvisoryVDB Entry
- https://github.com/ckolivas/lrzip/issues/69Issue TrackingPatchThird Party Advisory
- https://security.gentoo.org/glsa/202005-01Third Party Advisory
FAQ
What is CVE-2017-8843?
CVE-2017-8843 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2017-8843?
CVE-2017-8843 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-8843?
Check the references section above for vendor advisories and patch information. Affected products include: Long Range Zip Project Long Range Zip.