CVE-2025-2173 (GCVE-0-2025-2173)

Vulnerability from cvelistv5 – Published: 2025-03-11 06:31 – Updated: 2025-03-11 13:47
VLAI?
Summary
A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libzvbi Affected: 0.2.0
Affected: 0.2.1
Affected: 0.2.2
Affected: 0.2.3
Affected: 0.2.4
Affected: 0.2.5
Affected: 0.2.6
Affected: 0.2.7
Affected: 0.2.8
Affected: 0.2.9
Affected: 0.2.10
Affected: 0.2.11
Affected: 0.2.12
Affected: 0.2.13
Affected: 0.2.14
Affected: 0.2.15
Affected: 0.2.16
Affected: 0.2.17
Affected: 0.2.18
Affected: 0.2.19
Affected: 0.2.20
Affected: 0.2.21
Affected: 0.2.22
Affected: 0.2.23
Affected: 0.2.24
Affected: 0.2.25
Affected: 0.2.26
Affected: 0.2.27
Affected: 0.2.28
Affected: 0.2.29
Affected: 0.2.30
Affected: 0.2.31
Affected: 0.2.32
Affected: 0.2.33
Affected: 0.2.34
Affected: 0.2.35
Affected: 0.2.36
Affected: 0.2.37
Affected: 0.2.38
Affected: 0.2.39
Affected: 0.2.40
Affected: 0.2.41
Affected: 0.2.42
Affected: 0.2.43
Credits
ninpwn (VulDB User)
Show details on NVD website
To clipboard 

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{\"status\": \"affected\", \"version\": \"0.2.30\"}, {\"status\": \"affected\", \"version\": \"0.2.31\"}, {\"status\": \"affected\", \"version\": \"0.2.32\"}, {\"status\": \"affected\", \"version\": \"0.2.33\"}, {\"status\": \"affected\", \"version\": \"0.2.34\"}, {\"status\": \"affected\", \"version\": \"0.2.35\"}, {\"status\": \"affected\", \"version\": \"0.2.36\"}, {\"status\": \"affected\", \"version\": \"0.2.37\"}, {\"status\": \"affected\", \"version\": \"0.2.38\"}, {\"status\": \"affected\", \"version\": \"0.2.39\"}, {\"status\": \"affected\", \"version\": \"0.2.40\"}, {\"status\": \"affected\", \"version\": \"0.2.41\"}, {\"status\": \"affected\", \"version\": \"0.2.42\"}, {\"status\": \"affected\", \"version\": \"0.2.43\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-03-11T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2025-03-11T01:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2025-03-11T07:18:06.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.299202\", \"name\": \"VDB-299202 | libzvbi conv.c vbi_strndup_iconv_ucs2 uninitialized pointer\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.299202\", \"name\": \"VDB-299202 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.512798\", \"name\": \"Submit #512798 | Open Source libzvbi 0.2.43 Unitinialized Heap Read\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf\", \"tags\": [\"related\"]}, {\"url\": \"https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44\", \"tags\": [\"patch\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was found in libzvbi up to 0.2.43. It has been classified as problematic. Affected is the function vbi_strndup_iconv_ucs2 of the file src/conv.c. The manipulation of the argument src_length leads to uninitialized pointer. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The patch is identified as 8def647eea27f7fd7ad33ff79c2d6d3e39948dce. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.\"}, {\"lang\": \"de\", \"value\": \"Es wurde eine problematische Schwachstelle in libzvbi bis 0.2.43 ausgemacht. Es geht dabei um die Funktion vbi_strndup_iconv_ucs2 der Datei src/conv.c. Mit der Manipulation des Arguments src_length mit unbekannten Daten kann eine uninitialized pointer-Schwachstelle ausgenutzt werden. Der Angriff kann \\u00fcber das Netzwerk passieren. Der Exploit steht zur \\u00f6ffentlichen Verf\\u00fcgung. Ein Aktualisieren auf die Version 0.2.44 vermag dieses Problem zu l\\u00f6sen. Der Patch wird als 8def647eea27f7fd7ad33ff79c2d6d3e39948dce bezeichnet. Als bestm\\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-824\", \"description\": \"Uninitialized Pointer\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-908\", \"description\": \"Uninitialized Resource\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2025-03-11T06:31:05.166Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-2173\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-11T13:47:03.081Z\", \"dateReserved\": \"2025-03-10T17:26:53.636Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2025-03-11T06:31:05.166Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.