CVE-2017-8843
MEDIUMCVSS 5.5/10EPSS 1.38%
Last modified
CVE-2017-8843 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 1.38% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Long Range Zip Project | Long Range Zip | 0.631 |
References
- https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/Third Party Advisory, VDB Entry
- https://github.com/ckolivas/lrzip/issues/69Issue Tracking, Patch, Third 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_pthread-stream-c/Third Party Advisory, VDB Entry
- https://github.com/ckolivas/lrzip/issues/69Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202005-01Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-8843?
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 a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.
How do I fix CVE-2017-8843?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2017
- CVE-2017-8837Cleartext password storage exists on Peplink Balance 305, 38…
- CVE-2017-8838XSS via syncid exists on Peplink Balance 305, 380, 580, 710,…
- CVE-2017-8839XSS via orig_url exists on Peplink Balance 305, 380, 580, 71…
- CVE-2017-8840Debug information disclosure exists on Peplink Balance 305, …
- CVE-2017-8841Arbitrary file deletion exists on Peplink Balance 305, 380, …
- CVE-2017-8842The bufRead::get() function in libzpaq/libzpaq.h in liblrzip…5.5
- CVE-2017-8844The read_1g function in stream.c in liblrzip.so in lrzip 0.6…7.8
- CVE-2017-8845The lzo1x_decompress function in lzo1x_d.ch in LZO 2.08, as …5.5
- CVE-2017-8846The read_stream function in stream.c in liblrzip.so in lrzip…5.5
- CVE-2017-8847The bufRead::get() function in libzpaq/libzpaq.h in liblrzip…5.5
- CVE-2017-8848Allen Disk 1.6 has CSRF in setpass.php with an impact of cha…
- CVE-2017-8849smb4k before 2.0.1 allows local users to gain root privilege…
Are you affected by CVE-2017-8843?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST