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CVE-2019-8259

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/5/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

siemens:sinumerik_access_mymachine\/p2psiemens:sinumerik_pcu_base_win10_software\/ipcsiemens:sinumerik_pcu_base_win7_software\/ipcuvnc:ultravnc

Weaknesses (CWE)

CWE-665CWE-401

References

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf(vulnerability@kaspersky.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf(vulnerability@kaspersky.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf(vulnerability@kaspersky.com)

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

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11(vulnerability@kaspersky.com)

https://www.us-cert.gov/ics/advisories/icsa-20-161-06(vulnerability@kaspersky.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-005-ultravnc-memory-leak/(af854a3a-2127-422b-91ae-364da2661108)

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11(af854a3a-2127-422b-91ae-364da2661108)

https://www.us-cert.gov/ics/advisories/icsa-20-161-06(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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