CVE-2020-14402
- Source
- https://cve.org/CVERecord?id=CVE-2020-14402
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14402.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-14402
- Downstream
- Related
- Published
- 2020-06-17T16:15:12.150Z
- Modified
- 2026-08-04T15:43:12.612469Z
- Severity
-
- 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
- Database specific
{ "unresolved_ranges": [ { "vendor_product": "libvnc_project:libvncserver", "extracted_events": [ { "last_affected": "0.9.12" } ], "cpes": [ "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "siemens:simatic_itc1500_firmware", "extracted_events": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "cpes": [ "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "siemens:simatic_itc1500_pro_firmware", "extracted_events": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "cpes": [ "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "siemens:simatic_itc1900_firmware", "extracted_events": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "cpes": [ "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "siemens:simatic_itc1900_pro_firmware", "extracted_events": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "cpes": [ "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "siemens:simatic_itc2200_firmware", "extracted_events": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "cpes": [ "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "siemens:simatic_itc2200_pro_firmware", "extracted_events": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "cpes": [ "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "vendor_product": "canonical:ubuntu_linux", "extracted_events": [ { "introduced": "14.04" }, { "last_affected": "14.04" }, { "introduced": "16.04" }, { "last_affected": "16.04" }, { "introduced": "16.04" }, { "last_affected": "16.04" }, { "introduced": "18.04" }, { "last_affected": "18.04" }, { "introduced": "18.10" }, { "last_affected": "18.10" }, { "introduced": "20.04" }, { "last_affected": "20.04" } ], "cpes": [ "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*" ], "source": "CPE_STRING" }, { "vendor_product": "debian:debian_linux", "extracted_events": [ { "introduced": "8.0" }, { "last_affected": "8.0" }, { "introduced": "9.0" }, { "last_affected": "9.0" } ], "cpes": [ "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*" ], "source": "CPE_STRING" }, { "extracted_events": [ { "fixed": "0.9.13" } ], "source": "DESCRIPTION" } ] }- References
-
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
- https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
- https://usn.ubuntu.com/4434-1/
- https://usn.ubuntu.com/4573-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff
Affected packages
Git / github.com/libvnc/libvncserver
Affected versions
LibVNCServer-0.*
LibVNCServer-0.9.10
LibVNCServer-0.9.11
LibVNCServer-0.9.12
LibVNCServer-0.9.8
LibVNCServer-0.9.9
Other
X11VNC_0_9_10
X11VNC_0_9_11
X11VNC_0_9_12
X11VNC_0_9_7
X11VNC_0_9_8
X11VNC_0_9_9
X11VNC_REL_0_9_4
X11VNC_REL_0_9_5
X11VNC_REL_0_9_6
Database specific
vanir_signatures
[
{
"signature_version": "v1",
"source": "https://github.com/libvnc/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
"deprecated": false,
"target": {
"file": "libvncserver/hextile.c"
},
"id": "CVE-2020-14402-2881c67e",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"279186788467601084510397377312630471501",
"136564391502689261425817146893094173910",
"112617782039554860452708764507028252043",
"128154823961943837977491631399247931438"
]
}
},
{
"signature_version": "v1",
"source": "https://github.com/libvnc/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
"deprecated": false,
"target": {
"file": "libvncserver/rre.c"
},
"id": "CVE-2020-14402-42bbc5e2",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"289252992523367327632354621665320742352",
"36512170735046696879154038989677648515",
"277157400668572645645471330322775066349",
"64330010330190451697336720342933185390"
]
}
},
{
"signature_version": "v1",
"source": "https://github.com/libvnc/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
"deprecated": false,
"target": {
"file": "libvncserver/hextile.c",
"function": "bpp"
},
"id": "CVE-2020-14402-87ba1727",
"signature_type": "Function",
"digest": {
"length": 1779.0,
"function_hash": "37231841470234379109527685760802316726"
}
},
{
"signature_version": "v1",
"source": "https://github.com/libvnc/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
"deprecated": false,
"target": {
"file": "libvncserver/rre.c",
"function": "bpp"
},
"id": "CVE-2020-14402-c4129626",
"signature_type": "Function",
"digest": {
"length": 1970.0,
"function_hash": "15063665914612139429731961338670674392"
}
},
{
"signature_version": "v1",
"source": "https://github.com/libvnc/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
"deprecated": false,
"target": {
"file": "libvncserver/corre.c"
},
"id": "CVE-2020-14402-eff32b91",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"289252992523367327632354621665320742352",
"36512170735046696879154038989677648515",
"277157400668572645645471330322775066349",
"64330010330190451697336720342933185390"
]
}
},
{
"signature_version": "v1",
"source": "https://github.com/libvnc/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
"deprecated": false,
"target": {
"file": "libvncserver/corre.c",
"function": "bpp"
},
"id": "CVE-2020-14402-f867ff26",
"signature_type": "Function",
"digest": {
"length": 1933.0,
"function_hash": "276190757486447906599022657754585572557"
}
}
]
vanir_signatures_modified
"2026-08-04T15:43:12Z"
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14402.json"