CyberSecBulletin
CVE-2024-11346NVD status: Deferred

CX, XC, CS, MS, MX, XM, et. al.: Access of Resource Using Incompatible Type

Published Updated By the CyberSecBulletin desk

CVE-2024-11346 is a high-severity access of resource using incompatible type vulnerability in CX, XC, CS, MS, MX, XM, et. al. from Lexmark International, with a CVSS 3.1 base score of 7.3 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected CX, XC, CS, MS, MX, XM, et. al. versions: CXTLS.240.076 and earlier; CXTLS.240.200 and later; MXTLS.240.076 and earlier, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.45% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of CX, XC, CS, MS, MX, XM, et. al. you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on lexmark.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Lexmark InternationalCX, XC, CS, MS, MX, XM, et. al.CXTLS.240.076 and earlier; CXTLS.240.200 and later; MXTLS.240.076 and earlier; MXTLS.240.200 and later; CSTLS.240.076 and earlier; CSTLS.240.200 and later; MSNSN.240.042 and earlier; MSNSN.240.200 and later; and 32 more rangesNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
LowSome restricted data can be read.
Integrity
LowLimited modification of data is possible.
Availability
LowPerformance or availability is reduced.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. Scored by CNA.

Official description

: Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in Lexmark International CX, XC, CS, et. Al. (Postscript interpreter modules) allows Resource Injection.This issue affects CX, XC, CS, et. Al.: from 001.001:0 through 081.231, from *.*.P001 through *.*.P233, from *.*.P001 through *.*.P759, from *.*.P001 through *.*.P836.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Access of Resource Using Incompatible Type

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in CX, XC, CS, MS, MX, XM, et. al.

All CX, XC, CS, MS, MX, XM, et. al. vulnerabilities

Recent Access of Resource Using Incompatible Type vulnerabilities

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