SARA / Free Tools / CVE / CVE-2019-8277

CVE-2019-8277 — UltraVNC revision 1211 contains multiple memory leaks (CWE-665) in VNC server co

UltraVNC revision 1211 contains multiple memory leaks (CWE-665) in VNC server code, which allows 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 ap

CVSS
— —
EPSS
0.82% (top 25.80%)
CWE
CWE-665
Published
2019-03-09T00:00:00.000Z
Last modified
2024-08-04T21:17:30.165Z
CVSS vector
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01What is this vulnerability?

UltraVNC revision 1211 contains multiple memory leaks (CWE-665) in VNC server code, which allows 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 1212.

02Affected products

VendorProductVersions
Kaspersky LabUltraVNCrevision 1211

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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