VulnerabilityModified

CVE-2018-8788

FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.

CRITICAL 9.8EPSS 7.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.

CVSS 3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 7.40% probability · 94th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: freerdp/freerdp · canonical/ubuntu linux · debian/debian linux
Source: cve@checkpoint.com

References

http://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:0697
https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00015.htmlMailing List, Third Party Advisory
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Exploit, Third Party Advisory
https://usn.ubuntu.com/3845-1/Third Party Advisory
https://usn.ubuntu.com/3845-2/
http://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:0697
https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00015.htmlMailing List, Third Party Advisory
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Exploit, Third Party Advisory
https://usn.ubuntu.com/3845-1/Third Party Advisory
https://usn.ubuntu.com/3845-2/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.