CVE-2018-20191
HIGHCVSS 7.5/10EPSS 3.72%
Last modified
CVE-2018-20191 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).. EPSS estimates a 3.72% chance of exploitation in the next 30 days.
Description
hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 3.1.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Fedoraproject | Fedora | 29 |
| Fedoraproject | Fedora | 30 |
References
- http://www.openwall.com/lists/oss-security/2018/12/18/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106276Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.htmlPatch, Third Party Advisory
- https://usn.ubuntu.com/3923-1/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/12/18/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/106276Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.htmlPatch, Third Party Advisory
- https://usn.ubuntu.com/3923-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20191?
hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).
How severe is CVE-2018-20191?
CVE-2018-20191 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.72% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20191?
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 2018
- CVE-2018-20186An issue was discovered in Bento4 1.5.1-627. AP4_Sample::Rea…
- CVE-2018-20187A side-channel issue was discovered in Botan before 2.9.0. A…
- CVE-2018-20188FUEL CMS 1.4.3 has CSRF via users/create/ to add an administ…
- CVE-2018-20189In GraphicsMagick 1.3.31, the ReadDIBImage function of coder…
- CVE-2018-2019IBM Security Identity Manager 6.0.0 Virtual Appliance is vul…7.1
- CVE-2018-20190In LibSass 3.5.5, a NULL Pointer Dereference in the function…
- CVE-2018-20193Certain Secure Access SA Series SSL VPN products (originally…
- CVE-2018-20194There is a stack-based buffer underflow in the third instanc…
- CVE-2018-20195A NULL pointer dereference was discovered in ic_predict of l…
- CVE-2018-20196There is a stack-based buffer overflow in the third instance…7.8
- CVE-2018-20197There is a stack-based buffer underflow in the third instanc…
- CVE-2018-20198A NULL pointer dereference was discovered in ifilter_bank of…
Are you affected by CVE-2018-20191?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST