NULL pointer dereference in Long Range Zip Project
CVE-2017-8847
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Long Range Zip Project — versions 0.631
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-bufreadget-li… (VDB Entry, Third Party Advisory)
- github.com/ckolivas/lrzip/issues/67 (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202005-01 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-8847?
- CVE-2017-8847 is a medium-severity vulnerability in Long Range Zip Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-05-08.
- How severe is CVE-2017-8847?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-8847 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.