9.8crit

CVE-2018-8786

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
8.2%
percentile 95%
Public exploits
0
none known

Summary

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.

Exploit prediction (EPSS)

8.16% probability of exploitation in the next 30 days, higher than 95% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Check Point Software Technologies Ltd. FreeRDP

Classification

Weakness
  • CWE-680 Integer Overflow to Buffer Overflow
  • CWE-681 Incorrect Conversion between Numeric Types
  • CWE-787 Out-of-bounds Write

References

  • securityfocus.com /bid/106938 · vdb-entry, x_refsource_BID, x_transferred
  • lists.debian.org /debian-lts-announce/2019/02/msg00015.html · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3 · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3845-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • research.checkpoint.com /reverse-rdp-attack-code-execution-on-rdp-clients/ · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2019:0697 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/YVJKO2DR5EY4C4QZOP7SNNBE · vendor-advisory, x_refsource_FEDORA, x_transferred
  • usn.ubuntu.com /3845-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.