SB2020070930 - Information disclosure in libslirp
Published: July 9, 2020 Updated: August 17, 2020
Security Bulletin ID
SB2020070930
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2020-10756)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "icmp6_send_echoreply()" routine while replying to an ICMP echo request. A remote attacker with access to guest operating system can trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00040.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1835986
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JYTZ32P67PZER6P7TW6FQK3SZRKQLVEI/
- https://www.debian.org/security/2020/dsa-4728
- https://www.zerodayinitiative.com/advisories/ZDI-20-1005/