CVE-2019-8258
published 2019-03-05CVE-2019-8258: UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via…
PriorityP353critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
4.43%
90.2th percentile
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| siemens | sinumerik_access_mymachine_p2p | < 4.8 | 4.8 |
| siemens | sinumerik_pcu_base_win10_software_ipc | < 14.00 | 14.00 |
| siemens | sinumerik_pcu_base_win7_software_ipc | <= 12.01 | — |
| ultravnc | ultravnc | — | — |
| uvnc | ultravnc | < 1.2.2.3 | 1.2.2.3 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
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CISA ICS
Siemens SINUMERIK
cisa_ics·2020-06-12·CVSS 9.8
[CRITICAL] Siemens SINUMERIK
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Siemens SINUMERIK
Last RevisedJune 12, 2020
Alert CodeICSA-20-161-06
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low skill level to exploit
- Vendor: Siemens
- Equipment: SINUMERIK
- Vulnerabilities: Buffer Underflow, Heap-based Buffer Overflow, Improper Initialization, Out-of-bounds Read, Stack-based Buffer Overflow, Access of Memory Location After End of Buffer, Off-by-one Error, Improper Null Termination, Improper Initialization
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow remote code execution, informati
GHSA
GHSA-gvjj-vw6c-72cq: UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution
ghsa_unreviewed·2022-05-13
CVE-2019-8258 [CRITICAL] CWE-787 GHSA-gvjj-vw6c-72cq: UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfhttps://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/https://www.us-cert.gov/ics/advisories/icsa-20-161-06https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfhttps://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/https://www.us-cert.gov/ics/advisories/icsa-20-161-06
2019-03-05
Published