CVE-2019-8259 — Improper Initialization in Ultravnc
Severity
7.5HIGHNVD
EPSS
0.8%
top 25.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 5
Latest updateMay 13
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6
Affected Packages5 packages
🔴Vulnerability Details
1GHSA▶
GHSA-mhxq-j55c-q97g: 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↗2022-05-13