CVE-2020-10756
Advisory lineage Upstream: 0 Downstream: 21
Modified
Published: 09 Jul 2020, 15:34
Last modified:04 Aug 2024, 11:14
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
09 Jul 2020, 15:34
Published
Vulnerability first disclosed
04 Aug 2024, 11:14
Last Modified
Vulnerability information updated
Description
An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request, also known as ping. This flaw allows a malicious guest to leak the contents of the host memory, resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.03%• Percentile: 8%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Affected Systems
- canonical•ubuntu_linux
16.04 | 18.04 | 20.04
- debian•debian_linux
9.0 | 10.0
- libslirp_project•libslirp
< 4.3.1
- opensuse•leap
15.0 | 15.1
- redhat•enterprise_linux
7.0 | 8.0
- redhat•openstack
13
References (10)
- https://bugzilla.redhat.com/show_bug.cgi?id=1835986
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYTZ32P67PZER6P7TW6FQK3SZRKQLVEI/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00040.html
- https://www.debian.org/security/2020/dsa-4728
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- https://usn.ubuntu.com/4437-1/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1005/
- https://usn.ubuntu.com/4467-1/
- https://security.netapp.com/advisory/ntap-20201001-0001/