CVE-2018-8791: check point software technologies ltd. rdesktop Buffer Over-read
CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2018-8791UBUNTU-CVE-2018-8791DEBIAN-CVE-2018-8791
Published 05-02-2019Last modified 16-09-2024
Vulnerability summary
CVE-2018-8791 is a high (CVSS 7.5) Buffer Over-read vulnerability in check point software technologies ltd. rdesktop. EPSS estimates a 3.83% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 2Timeline
- 05-02-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function rdpdr_process() that results in an information leak.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
3.83%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.83% on 19-09-2026
19-09-202619-10-2026
EPSS score3.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- rdesktop< 1.8.4-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- rdesktop< 1.8.6-r0
Check point software technologies ltd.1 product
- rdesktopAll versions up to and including v1.8.3
Rdesktop1 product
- rdesktop≤ 1.8.3
Ubuntu1 product
- rdesktopAll versions (No fix recorded)
5 vendors · 6 products
References
12 links- github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1X Refsource MISCPatchThird Party Advisory
- research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/X Refsource CONFIRMThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing ListX Refsource MLISTThird Party Advisory