ZeroHour

Vulnerabilities

24 CVEs · NVD, GitHub Advisories, CISA KEV, FIRST EPSS, GitHub PoC repos

CVEVulnerabilityCVSSEPSSFlagsAffectedExposurePublished
CVE-2019-20839
libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.

libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.

NVD description · AI analysis pending
7.5
group max
4%
  • libvnc project libvncserver
  • libvnc project ubuntu linux
  • libvnc project debian linux
  • +1 more
CVE-2019-20788
libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value.

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

NVD description · AI analysis pending
9.82% PoC
  • libvnc project libvncserver
  • libvnc project ubuntu linux
  • libvnc project debian linux
  • +1 more
CVE-2019-15681
LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server 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 appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

NVD description · AI analysis pending
7.53%
  • libvnc project libvncserver
  • libvnc project ubuntu linux
  • libvnc project debian linux
  • +1 more
CVE-2018-20750
+2 in the same advisory: …20748 …20749
LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c.

LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

NVD description · AI analysis pending
9.83% PoC
  • libvnc project libvncserver
  • libvnc project ubuntu linux
  • libvnc project debian linux
  • +1 more
CVE-2018-15127
LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can

LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution

NVD description · AI analysis pending
9.8
group max
15%
  • libvnc project libvncserver
  • libvnc project ubuntu linux
  • libvnc project enterprise linux desktop
  • +1 more