Out-of-bounds Read in Freerdp
CVE-2018-1000852
FreeRDP FreeRDP 2.0.0-rc3 released version before commit 205c612820dac644d665b5bb1cdf437dc5ca01e3 contains a Other/Unknown vulnerability in channels/drdynvc/client/drdynvc_main.c, drdynvc_process_capability_request that can result in The RDP server can read the client's memory.. This attack appear to be exploitable via RDPClient must connect the rdp server with echo option. This vulnerability appears to have been fixed in after commit 205c612820dac644d665b5bb1cdf437dc5ca01e3.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.027 (85.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Freerdp — versions 2.0.0
- Canonical Ubuntu Linux — versions 18.04, 19.10, 20.04
- Fedoraproject Fedora — versions 28
Weakness classification (CWE)
References
- github.com/FreeRDP/FreeRDP/pull/4871/commits/baee520e3dd9be6511c45a14c5f5e77784… (Patch, Third Party Advisory)
- github.com/FreeRDP/FreeRDP/issues/4866 (Exploit, Third Party Advisory)
- github.com/FreeRDP/FreeRDP/pull/4871 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2157 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4379-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1000852?
- CVE-2018-1000852 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-12-20.
- How severe is CVE-2018-1000852?
- Medium severity. CVSS v3 base score is 6.5 out of 10.