Information disclosure in libslirp
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-10756 |
| CWE-ID | CWE-125 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libslirp Universal components / Libraries / Libraries used by multiple products |
| Vendor | Freedesktop.org |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated: 17.08.2020
Updated vulnerability description, added link to ZDI advisory.
1) Out-of-bounds read
EUVDB-ID: #VU31746
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10756
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionslibslirp: 4.0.0 - 4.3.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00040.html
http://bugzilla.redhat.com/show_bug.cgi?id=1835986
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JYTZ32P67PZER6P7TW6FQK3SZRKQLVEI/
http://www.debian.org/security/2020/dsa-4728
http://www.zerodayinitiative.com/advisories/ZDI-20-1005/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
