CVE-2020-27770 - OpenCVE

Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

AV:N/AC:M/Au:N/C:N/I:N/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian	Debian Linux
Imagemagick	Imagemagick

Configuration 1 [-]

OR	cpe:2.3:a:imagemagick:imagemagick::::::::
	cpe:2.3:a:imagemagick:imagemagick::::::::

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1894691
https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html
https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
https://nvd.nist.gov/vuln/detail/CVE-2020-27770
https://www.cve.org/CVERecord?id=CVE-2020-27770

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-12-04T00:00:00

Updated: 2024-08-04T16:18:45.691Z

Reserved: 2020-10-27T00:00:00

Link: CVE-2020-27770

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-04T15:15:10.707

Modified: 2023-03-11T23:15:15.300

Link: CVE-2020-27770

Redhat

Severity : Moderate

Publid Date: 2019-10-05T00:00:00Z

Links: CVE-2020-27770 - Bugzilla

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "matchCriteriaId": "20A931B8-59F9-492E-B03E-8A5422699FB7", "versionEndExcluding": "6.9.10-68", "vulnerable": true}, {"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "matchCriteriaId": "F492CAFD-C9C0-44DD-9000-ABC7796FE284", "versionEndExcluding": "7.0.8-68", "versionStartIncluding": "7.0.0-0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68."}, {"lang": "es", "value": "Debido a la falta de comprobaci\u00f3n para el valor 0 de \"replace_extent\", es posible que el desplazamiento \"p\" se desborde en la funci\u00f3n SubstituteString(), lo que podr\u00eda afectar la disponibilidad de la aplicaci\u00f3n. Esto podr\u00eda ser provocado por un archivo de entrada dise\u00f1ado que es procesado por ImageMagick. Este fallo afecta a ImageMagick versiones anteriores a 7.0.8-68"}], "id": "CVE-2020-27770", "lastModified": "2023-03-11T23:15:15.300", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-04T15:15:10.707", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894691"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Suhwan Song (Seoul National University) for reporting this issue.", "bugzilla": {"description": "ImageMagick: unsigned offset overflowed at MagickCore/string.c", "id": "1894691", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894691"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68.", "Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick."], "name": "CVE-2020-27770", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "inkscape", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2019-10-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-27770\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27770"], "statement": "This flaw is out of support scope for Red Hat Enterprise Linux 5, 6, and 7. Inkscape is not affected because it no longer uses a bundled ImageMagick in Red Hat Enterprise Linux 8. For more information regarding support scopes, please see https://access.redhat.com/support/policy/updates/errata .", "threat_severity": "Moderate", "upstream_fix": "ImageMagick 7.0.8-68"}