ghsa-c5hg-hx4v-7q6w
Vulnerability from github
Published
2022-05-24 17:35
Modified
2022-05-24 17:35
Details
In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.
{ "affected": [], "aliases": [ "CVE-2020-25664" ], "database_specific": { "cwe_ids": [ "CWE-787" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2020-12-08T21:15:00Z", "severity": "MODERATE" }, "details": "In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.", "id": "GHSA-c5hg-hx4v-7q6w", "modified": "2022-05-24T17:35:33Z", "published": "2022-05-24T17:35:33Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25664" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1891605" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z3J6D7POCQYQKNVRDYLTTPM5SQC3WVTR" } ], "schema_version": "1.4.0", "severity": [] }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.