CVE-2019-8269: kaspersky lab ultravnc Stack-based Buffer Overflow
CVSS: 7.5v3.1HighModified
Published 09-03-2019Last modified 17-09-2024
Vulnerability summary
CVE-2019-8269 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in kaspersky lab ultravnc. EPSS estimates a 5.72% chance of exploitation in the next 30 days, higher than 92.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
5.72%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-03-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
UltraVNC revision 1206 has stack-based Buffer overflow vulnerability in VNC client code inside FileTransfer module, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1207.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
5.72%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.72% on 19-09-2026
19-09-202619-10-2026
EPSS score5.72%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
3 vendors · 5 products
References
3 links- www.us-cert.gov/ics/advisories/icsa-20-161-06X Refsource MISCThird Party AdvisoryUS Government Resource