CVE-2017-8847 — MEDIUM (5.5)

Vulnerability Description

The bufRead::get() function in libzpaq/libzpaq.h 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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Long Range Zip Project	Long Range Zip	0.631

Related Weaknesses (CWE)

CWE-476

References

https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-bufreaThird Party AdvisoryVDB Entry
https://github.com/ckolivas/lrzip/issues/67Issue 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-bufreaThird Party AdvisoryVDB Entry
https://github.com/ckolivas/lrzip/issues/67Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/202005-01Third Party Advisory

FAQ

What is CVE-2017-8847?

CVE-2017-8847 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The bufRead::get() function in libzpaq/libzpaq.h 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 archi...

How severe is CVE-2017-8847?

CVE-2017-8847 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-2017-8847?

Check the references section above for vendor advisories and patch information. Affected products include: Long Range Zip Project Long Range Zip.