Buffer overflow in Kaspersky Tightvnc
CVE-2019-15679
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.118 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.118 · newest: 0.118 · change: 0.000
Affected products
- Kaspersky Tightvnc — versions 1.3.10
- Tightvnc — versions 1.3.10
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2018/12/10/5 (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/12/msg00028.html (mailing-list)
- cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- us-cert.cisa.gov/ics/advisories/icsa-20-343-08
Frequently asked questions
- What is CVE-2019-15679?
- CVE-2019-15679 is a critical-severity vulnerability in Kaspersky Tightvnc, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-10-29.
- How severe is CVE-2019-15679?
- Critical severity. CVSS v3 base score is 9.8 out of 10.