CVE-2019-8272 — Off-by-one Error in Ultravnc

CWE-193 — Off-by-one Error3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
1.4%
top 19.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Siemens Sinumerik Access Mymachine P2PSiemens Sinumerik PCU Base Win10 Software IPCUvnc Ultravnc+2 more
Timeline
PublishedMar 8
Latest updateMay 13

Description

UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶NVDuvnc/ultravnc< 1.2.2.3
▶CVEListV5kaspersky_lab/ultravnc1.2.2.3

🔴Vulnerability Details

1
GHSA
GHSA-5ccm-mjxh-p582: UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution↗2022-05-13
▶

📋Vendor Advisories

1
CISA ICS
Siemens SINUMERIK↗2020-06-12
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