CVE-2017-8843: Null Pointer Dereference
Published May 8, 2017
·Updated
The joinpthread 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.
Affected Software
1 affected component
Long Range Zip Project Long Range Zip=0.631
Remediation
Patch Available
Event History
May 8, 2017
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-8843?
CVE-2017-8843 has a moderate severity rating as it can lead to denial of service due to a NULL pointer dereference.
2
How do I fix CVE-2017-8843?
To fix CVE-2017-8843, update the lrzip software to a version later than 0.631 that addresses this vulnerability.
3
What impact does CVE-2017-8843 have on affected systems?
CVE-2017-8843 can cause affected systems to crash when processing a specially crafted archive.
4
Which versions of lrzip are affected by CVE-2017-8843?
CVE-2017-8843 specifically affects lrzip version 0.631.
5
Can CVE-2017-8843 be exploited remotely?
Yes, CVE-2017-8843 can be exploited by remote attackers through crafted archives.