CVE-2021-22570 Information

Description

Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly leading to an unchecked call into the proto file’s name during generation of the resulting error message. Since the symbol is incorrectly parsed the file is nullptr. We recommend upgrading to version 3.15.0 or greater.

CVSS Vector

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

Reference

https://github.com/protocolbuffers/protobuf/releases/tag/v3.15.0 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFX6KPNOFHYD6L4XES5PCM3QNSKZBOTQ/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3DVUZPALAQ34TQP6KFNLM4IZS6B32XSA/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BTRGBRC5KGCA4SK5MUNLPYJRAGXMBIYY/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVTWVQRB5OCCTMKEQFY5MYED3DXDVSLP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5PAGL5M2KGYPN3VEQCRJJE6NA7D5YG5X/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KQJB6ZPRLKV6WCMX2PRRRQBFAOXFBK6B/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRWRAXAFR3JR7XCFWTHC2KALSZKWACCE/ https://www.oracle.com/security-alerts/cpuapr2022.html https://security.netapp.com/advisory/ntap-20220429-0005/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5