Ultravnc
CVE-2020-37132
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
3DescriptionCVE.org
UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.
AnalysisAI
UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. [CVSS 6.2 MEDIUM]
Technical ContextAI
Classified as CWE-121 (Stack-based Buffer Overflow). Affects Ultravnc. UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.
RemediationAI
Monitor vendor advisories for a patch.
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UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer offer handler, w
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler,
UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer handler, which c
UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of Clien
UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of ClientConnecti
UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macr
UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially
Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today