ghsa-pv36-h7jh-qm62
Vulnerability from github
Published
2020-10-27 19:47
Modified
2024-02-15 14:33
Severity ?
Summary
Heap buffer overflow in CefSharp
Details
Impact
A memory corruption bug(Heap overflow) in the FreeType font rendering library.
This can be exploited by attackers to execute arbitrary code by using specially crafted fonts with embedded PNG images .
As per https://www.secpod.com/blog/chrome-zero-day-under-active-exploitation-patch-now/
Google is aware of reports that an exploit for CVE-2020-15999 exists in the wild.
Patches
Upgrade to 85.3.130 or higher
References
- https://www.secpod.com/blog/chrome-zero-day-under-active-exploitation-patch-now/
- https://www.zdnet.com/article/google-releases-chrome-security-update-to-patch-actively-exploited-zero-day/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15999
- https://magpcss.org/ceforum/viewtopic.php?f=10&t=17942
To review the CEF/Chromium
patch see https://bitbucket.org/chromiumembedded/cef/commits/cd6cbe008b127990036945fb75e7c2c1594ab10d
{ "affected": [ { "package": { "ecosystem": "NuGet", "name": "CefSharp.Common" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "85.3.130" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "NuGet", "name": "CefSharp.Wpf" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "85.3.130" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "NuGet", "name": "CefSharp.WinForms" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "85.3.130" } ], "type": "ECOSYSTEM" } ] }, { "package": { "ecosystem": "NuGet", "name": "CefSharp.Wpf.HwndHost" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "85.3.130" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2020-15999" ], "database_specific": { "cwe_ids": [ "CWE-119", "CWE-787" ], "github_reviewed": true, "github_reviewed_at": "2020-10-27T19:47:22Z", "nvd_published_at": "2020-11-03T03:15:00Z", "severity": "MODERATE" }, "details": "### Impact\nA memory corruption bug(Heap overflow) in the FreeType font rendering library.\n\n\u003e This can be exploited by attackers to execute arbitrary code by using specially crafted fonts with embedded PNG images .\n\nAs per https://www.secpod.com/blog/chrome-zero-day-under-active-exploitation-patch-now/ \n\nGoogle is aware of reports that an exploit for CVE-2020-15999 exists in the wild.\n\n### Patches\nUpgrade to 85.3.130 or higher\n\n### References\n- https://www.secpod.com/blog/chrome-zero-day-under-active-exploitation-patch-now/\n- https://www.zdnet.com/article/google-releases-chrome-security-update-to-patch-actively-exploited-zero-day/\n- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15999\n- https://magpcss.org/ceforum/viewtopic.php?f=10\u0026t=17942\n\nTo review the `CEF/Chromium` patch see https://bitbucket.org/chromiumembedded/cef/commits/cd6cbe008b127990036945fb75e7c2c1594ab10d", "id": "GHSA-pv36-h7jh-qm62", "modified": "2024-02-15T14:33:33Z", "published": "2020-10-27T19:47:38Z", "references": [ { "type": "WEB", "url": "https://github.com/cefsharp/CefSharp/security/advisories/GHSA-pv36-h7jh-qm62" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15999" }, { "type": "WEB", "url": "https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html" }, { "type": "WEB", "url": "https://crbug.com/1139963" }, { "type": "PACKAGE", "url": "https://github.com/cefsharp/CefSharp" }, { "type": "WEB", "url": "https://googleprojectzero.blogspot.com/p/rca-cve-2020-15999.html" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J3QVIGAAJ4D62YEJAJJWMCCBCOQ6TVL7" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202011-12" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202012-04" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202401-19" }, { "type": "WEB", "url": "https://www.debian.org/security/2021/dsa-4824" }, { "type": "WEB", "url": "https://www.nuget.org/packages/CefSharp.Common" }, { "type": "WEB", "url": "https://www.nuget.org/packages/CefSharp.WinForms" }, { "type": "WEB", "url": "https://www.nuget.org/packages/CefSharp.Wpf" }, { "type": "WEB", "url": "https://www.nuget.org/packages/CefSharp.Wpf.HwndHost" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html" }, { "type": "WEB", "url": "http://seclists.org/fulldisclosure/2020/Nov/33" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ], "summary": "Heap buffer overflow in CefSharp" }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- 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.