Detections
Analytics
Alpine: multiple libvncserver packages: security update to 0.9.13-r0
medium Tenable Cloud Security Plugin ID 405366
Description
There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer
overflow. (CVE-2020-14401)
- libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
(CVE-2019-20839)
- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash
because of unaligned accesses in hybiReadAndDecode. (CVE-2019-20840)
- An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer
dereference. (CVE-2020-14397)
- An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t
pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.
(CVE-2020-14399)
See Also
https://security.alpinelinux.org/vuln/CVE-2019-20839
https://security.alpinelinux.org/vuln/CVE-2019-20840
https://security.alpinelinux.org/vuln/CVE-2020-14397
https://security.alpinelinux.org/vuln/CVE-2020-14399
https://security.alpinelinux.org/vuln/CVE-2020-14400
https://security.alpinelinux.org/vuln/CVE-2020-14401
https://security.alpinelinux.org/vuln/CVE-2020-14402
https://security.alpinelinux.org/vuln/CVE-2020-14403
https://security.alpinelinux.org/vuln/CVE-2020-14404
Plugin Details
Severity: Medium
ID: 405366
Version: Revision 1.26
Type: Local
Published: 10/31/2023
Updated: 12/4/2025
Supported Sensors: Agentless Assessment
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P
CVSS Score Source: CVE-2020-14401
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
Exploit Available: true
Exploit Ease: Exploits are available
Vulnerability Publication Date: 6/17/2020
Reference Information
CVE: CVE-2019-20839, CVE-2019-20840, CVE-2020-14397, CVE-2020-14399, CVE-2020-14400, CVE-2020-14401, CVE-2020-14402, CVE-2020-14403, CVE-2020-14404, CVE-2020-14405, CVE-2020-25708