VulnerabilityModified
CVE-2018-8793
rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.
CRITICAL 9.8EPSS 7.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 7.06% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- rdesktop/rdesktop · debian/debian linux · opensuse/leap
- Source
- cve@checkpoint.com
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing List, Third Party Advisory
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Third Party Advisory
- https://security.gentoo.org/glsa/201903-06Third Party Advisory
- https://www.debian.org/security/2019/dsa-4394Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing List, Third Party Advisory
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Third Party Advisory
- https://security.gentoo.org/glsa/201903-06Third Party Advisory
- https://www.debian.org/security/2019/dsa-4394Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.