Buffer overflow in Kaspersky Tightvnc
CVE-2019-8287
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Vulnerability class: Buffer Overflow
EPSS: 0.195 (97.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kaspersky Tightvnc — versions 1.3.10
- Tightvnc — versions 1.3.10
Weakness classification (CWE)
References
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST)
- vulnerability@kaspersky.com (x_refsource_CONFIRM)
- vulnerability@kaspersky.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-8287?
- CVE-2019-8287 is a critical-severity vulnerability in Kaspersky Tightvnc, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2019-10-29.
- How severe is CVE-2019-8287?
- Critical severity. CVSS v3 base score is 9.8 out of 10.