CVE-2020-10761
What it is
An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. Limited direct impact.
- Exploit odds
- 1.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.8% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.8% · EPSS, next 30 days
- Weakness
- CWE-617
- Record status
- Modified
Affected
- Qemu < 5.0.1
- Redhat Enterprise Linux 8.0
- Opensuse Leap 15.2
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 20.04
Attack profile CVSS 3.1 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-10761.md and follow it. Check whether this project is affected by CVE-2020-10761. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.openwall.com/lists/oss-security/2020/06/09/1
- https://www.openwall.com/lists/oss-security/2020/06/09/1
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
- https://security.gentoo.org/glsa/202011-09
- https://security.netapp.com/advisory/ntap-20200731-0001/
- https://usn.ubuntu.com/4467-1/
- https://www.openwall.com/lists/oss-security/2020/06/09/1
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
- https://security.gentoo.org/glsa/202011-09
- https://security.netapp.com/advisory/ntap-20200731-0001/
- https://usn.ubuntu.com/4467-1/
- https://www.openwall.com/lists/oss-security/2020/06/09/1