The remote NewStart CGSL host, running version MAIN 6.02, has libX11 packages installed that are affected by a vulnerability:

  - LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute     arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains a flaw     allowing a client to send color-name requests with a name longer than the maximum size allowed by the     protocol (and also longer than the maximum packet size for normal-sized packets). The user-controlled data     exceeding the maximum size is then interpreted by the server as additional X protocol requests and     executed, e.g., to disable X server authorization completely. For example, if the victim encounters     malicious terminal control sequences for color codes, then the attacker may be able to take full control     of the running graphical session. (CVE-2021-31535)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

NewStart CGSL MAIN 6.02 : libX11 Vulnerability (NS-SA-2022-0090)

critical Nessus Plugin ID 167487

Version 1.3

Version 1.2

Version 1.3 Nov 16, 2022, 9:51 PM Exploit attributes
Version 1.2 Nov 15, 2022, 11:47 AM New