Security readout for executives and security teams
Plain-English summary
CVE-2024-28085 is a local terminal-output issue in util-linux wall. A logged-in user may send terminal escape sequences to other users through command arguments when wall has setgid tty permissions. Business impact is usually limited, but shared Linux systems deserve attention because misleading terminal output can support account takeover scenarios.
Executive priority
Handle through normal Linux patch management, with earlier attention for shared administrative hosts. This is not an internet-facing emergency based on the provided evidence, but it can matter where many users share terminals.
Technical view
util-linux wall through 2.40 filters escape sequences from stdin but not from argv. With local low-privilege access, an attacker can inject terminal control sequences into another user’s terminal. The CVSS score is 3.3 because it is local, low impact, and primarily affects integrity rather than confidentiality or availability.
Likely exposure
Exposure is most relevant on multi-user Linux systems where util-linux wall is installed and commonly setgid tty. Single-user servers or environments without interactive logged-in users have lower practical exposure.
Exploitation context
The source bundle includes public writeups and a proof-of-concept repository, but KEV is false and no cited source establishes active exploitation. Abuse requires local access and a target user with an interactive terminal session.
Researcher notes
The key weakness is inconsistent escape-sequence handling between stdin and argv in wall. Evidence supports local integrity impact and plausible account-takeover scenarios, but the bundle does not prove widespread exploitation or provide complete product-level affected CPE data.
Mitigation direction
- Update util-linux using OS or vendor security packages.
- Prioritize shared servers, jump boxes, lab hosts, and multi-user Linux systems.
- Check vendor advisories before changing wall permissions or package behavior.
- Restrict unnecessary local shell access on shared systems.
- Review terminal broadcast policies where wall is not operationally required.
Validation and detection
- Inventory systems with util-linux wall installed.
- Check util-linux package versions against vendor security advisories.
- Verify whether wall has setgid tty permissions on shared hosts.
- Confirm patched packages are deployed through configuration management.
- Review local-user access on systems with interactive sessions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-150: Exact CWE lookup
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Open ATT&CK lookupCVE-2024-28085 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N1.81.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
3.3LowVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://people.rit.edu/sjf5462/6831711781/wall_2_27_2024.txtCVE reference, mitre
- https://github.com/util-linux/util-linux/security/advisories/GHSA-xv2h-c6ww-mrjqCVE reference, mitre
- https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/CVE reference, mitre
- https://www.openwall.com/lists/oss-security/2024/03/27/5CVE reference, mitre
- https://github.com/skyler-ferrante/CVE-2024-28085CVE reference, mitre
- [debian-lts-announce] 20240407 [SECURITY] [DLA 3782-1] util-linux security updateCVE reference, mitre · mailing-list
- https://security.netapp.com/advisory/ntap-20240531-0003/CVE reference, mitre
- https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlCVE reference, siemens-SADP
- https://cert-portal.siemens.com/productcert/html/ssa-202008.htmlCVE reference, siemens-SADP
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Escape, Meta, or Control Sequences
Improper Neutralization of Escape, Meta, or Control Sequences represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.