CVE-2021-4048 Information

Description

An out-of-bounds read flaw was found in the CLARRV DLARRV SLARRV and ZLARRV functions in lapack through version 3.10.0 as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

https://github.com/JuliaLang/julia/issues/42415 https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41 https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050c https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7 https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781 https://github.com/Reference-LAPACK/lapack/pull/625 https://github.com/xianyi/OpenBLAS/commit/fe497efa0510466fd93578aaf9da1ad8ed4edbe7 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6QFEVOCUG2UXMVMFMTU4ONJVDEHY2LW2/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DROZM4M2QRKSD6FBO4BHSV2QMIRJQPHT/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1