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CERTA-2007-AVI-242
Vulnerability from certfr_avis - Published: - Updated:
Une vulnérabilité découverte dans la bibliothèque libpng permet à un utilisateur distant malintentionné de provoquer un déni de service à distance.
Description
La bibliothèque libpng permet de manipuler les images au format PNG (Portable Network Graphics).
Une vulnérabilité présente dans la fonction png_handle_tRNS() dans le fichier pngrutil.c permet à un utilisateur distant malintentionné de provoquer un déni de service. Cette vulnérabilité peut être exploitée au moyen d'un fichier image au format png spécialement construit afin de causer l'arrêt brutal de l'application ayant appelé la bibliothèque vulnérable.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
libpng 1.x.
Impacted products
| Vendor | Product | Description |
|---|
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "\u003cP\u003elibpng 1.x.\u003c/P\u003e",
"content": "## Description\n\nLa biblioth\u00e8que libpng permet de manipuler les images au format PNG\n(Portable Network Graphics).\n\nUne vuln\u00e9rabilit\u00e9 pr\u00e9sente dans la fonction png_handle_tRNS() dans le\nfichier pngrutil.c permet \u00e0 un utilisateur distant malintentionn\u00e9 de\nprovoquer un d\u00e9ni de service. Cette vuln\u00e9rabilit\u00e9 peut \u00eatre exploit\u00e9e au\nmoyen d\u0027un fichier image au format png sp\u00e9cialement construit afin de\ncauser l\u0027arr\u00eat brutal de l\u0027application ayant appel\u00e9 la biblioth\u00e8que\nvuln\u00e9rable.\n\n## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2007-2445",
"url": "https://www.cve.org/CVERecord?id=CVE-2007-2445"
}
],
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2007:0356 du 17 mai 2007 :",
"url": "http://rhn.redhat.com/errata/RHSA-2007-0356.html"
}
],
"reference": "CERTA-2007-AVI-242",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2007-06-01T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 d\u00e9couverte dans la biblioth\u00e8que libpng permet \u00e0 un\nutilisateur distant malintentionn\u00e9 de provoquer un d\u00e9ni de service \u00e0\ndistance.\n",
"title": "Vuln\u00e9rabilit\u00e9 dans libpng",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Gentoo GLSA-200705-24 du 31 mai 2007",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200705-24.xml"
}
]
}
CVE-2007-2445 (GCVE-0-2007-2445)
Vulnerability from cvelistv5 – Published: 2007-05-16 22:00 – Updated: 2024-08-07 13:42
VLAI?
EPSS
Summary
The png_handle_tRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service (application crash) via a grayscale PNG image with a bad tRNS chunk CRC value.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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}
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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.
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