Vulnerability-Lookup

ALSA-2023:7022

Vulnerability from osv_almalinux – Published: 2023-11-14 00:00 – Updated: 2023-11-23 10:18 – Source website

Summary

Moderate: tang security and bug fix update

Details

Tang is a server for binding data to network presence. It includes a daemon which provides cryptographic operations for binding to a remote service. The tang package provides the server side of the Network Bound Disk Encryption (NBDE) project.

Security Fix(es):

tang: Race condition exists in the key generation and rotation functionality (CVE-2023-1672)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2023:7022	ADVISORY
	https://access.redhat.com/security/cve/CVE-2023-1672	REPORT
	https://bugzilla.redhat.com/2180999	REPORT
	https://errata.almalinux.org/8/ALSA-2023-7022.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tang"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7-8.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Tang is a server for binding data to network presence. It includes a daemon which provides cryptographic operations for binding to a remote service. The tang package provides the server side of the Network Bound Disk Encryption (NBDE) project.\n\nSecurity Fix(es):\n\n* tang: Race condition exists in the key generation and rotation functionality (CVE-2023-1672)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2023:7022",
  "modified": "2023-11-23T10:18:45Z",
  "published": "2023-11-14T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2023:7022"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2023-1672"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2180999"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2023-7022.html"
    }
  ],
  "related": [
    "CVE-2023-1672"
  ],
  "summary": "Moderate: tang security and bug fix update"
}

CVE-2023-1672 (GCVE-0-2023-1672)

Vulnerability from cvelistv5 – Published: 2023-07-11 11:47 – Updated: 2025-02-13 16:39

Title

Race condition exists in the key generation and rotation functionality

Summary

A race condition exists in the Tang server functionality for key generation and key rotation. This flaw results in a small time window where Tang private keys become readable by other processes on the same host.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-01 16:29 UTC

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

redhat redhat root

References

5 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2023-1672	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2180999	issue-trackingx_refsource_REDHAT
https://github.com/latchset/tang/commit/8dbbed108…
https://www.openwall.com/lists/oss-security/2023/…
https://lists.debian.org/debian-lts-announce/2023…

Impacted products

5 products

Vendor	Product	Version
n/a	tang
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Fedora	Fedora

Date Public

2023-06-07 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.