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CVE-2019-8259

Published: Mar 5, 2019

Modified: Sep 16, 2024

PUBLISHED

Description

UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.

Vendor	Product	Versions
UltraVNC	UltraVNC	affected `1.2.2.3`

Weaknesses (CWE)

References

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-005-ultravnc-memory-leak/

x_refsource_MISC

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf

x_refsource_CONFIRM

https://www.us-cert.gov/ics/advisories/icsa-20-161-06

x_refsource_MISC

https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf

x_refsource_CONFIRM

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf

x_refsource_CONFIRM

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11

x_refsource_MISC

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