CyberSecBulletin
CVE-2023-47582NVD status: Modified

TELLUS: Access of Uninitialized Pointer

CVE-2023-47582 is a high-severity access of uninitialized pointer vulnerability in TELLUS from FUJI ELECTRIC CO., LTD. and Hakko Electronics, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. Affected TELLUS versions: V4.0.17.0 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.28% 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 TELLUS you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on hakko-elec.co.jp for workarounds and exact fixed builds.
  3. Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.

Affected products and versions

VendorProductAffected versionsFixed in
FUJI ELECTRIC CO., LTD. and Hakko ElectronicsTELLUSV4.0.17.0 and earlierNot stated
FUJI ELECTRIC CO., LTD. and Hakko ElectronicsTELLUS LiteV4.0.17.0 and earlierNot 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
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
RequiredA user must take an action such as opening a file or link.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

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

Official description

Access of uninitialized pointer vulnerability exists in TELLUS V4.0.17.0 and earlier and TELLUS Lite V4.0.17.0 and earlier. If a user opens a specially crafted file (X1, V8, or V9 file), information may be disclosed and/or arbitrary code may be executed.

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

The underlying weakness: Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

More Access of Uninitialized Pointer vulnerabilities (CWE-824)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Other vulnerabilities in TELLUS

All TELLUS vulnerabilities

Recent Access of Uninitialized Pointer vulnerabilities

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