{"id":"CVE-2020-14309","state":"PUBLISHED","title":"There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads ","description":"There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacker controlled data.","publishedAt":"2020-07-30T12:49:31.000Z","updatedAt":"2024-08-04T12:39:36.530Z","severity":null,"assigner":"redhat","products":["n/a Grub"],"affected":[{"vendor":"n/a","product":"Grub","versions":[{"version":"All grub2 versions before 2.06","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1852022","https://security.netapp.com/advisory/ntap-20200731-0008/","https://usn.ubuntu.com/4432-1/","http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html","http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html","https://security.gentoo.org/glsa/202104-05"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:33.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/14xxx/CVE-2020-14309.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-14309","state":"PUBLISHED","datePublished":"2020-07-30T12:49:31.000Z","dateUpdated":"2024-08-04T12:39:36.530Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2020-06-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacker controlled data."}],"affected":[{"vendor":"n/a","product":"Grub","versions":[{"version":"All grub2 versions before 2.06","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1852022","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20200731-0008/","tags":["x_refsource_CONFIRM"]},{"url":"https://usn.ubuntu.com/4432-1/","name":"USN-4432-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html","name":"openSUSE-SU-2020:1169","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html","name":"openSUSE-SU-2020:1168","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://security.gentoo.org/glsa/202104-05","name":"GLSA-202104-05","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"Integer Overflow or Wraparound leading to Heap-based Buffer Overflow","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2021-05-01T01:08:04.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2020-14309","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Grub","version":{"version_data":[{"version_value":"All grub2 versions before 2.06"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacker controlled data."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Integer Overflow or Wraparound leading to Heap-based Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=1852022","refsource":"MISC","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1852022"},{"name":"https://security.netapp.com/advisory/ntap-20200731-0008/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20200731-0008/"},{"name":"USN-4432-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4432-1/"},{"name":"openSUSE-SU-2020:1169","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"},{"name":"openSUSE-SU-2020:1168","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"},{"name":"GLSA-202104-05","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202104-05"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1852022","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20200731-0008/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://usn.ubuntu.com/4432-1/","name":"USN-4432-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html","name":"openSUSE-SU-2020:1169","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html","name":"openSUSE-SU-2020:1168","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202104-05","name":"GLSA-202104-05","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T12:39:36.530Z"}}]}}}