CVE-2020-26277

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Summary

CVECVE-2020-26277
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-21 22:15:00 UTC
Updated2020-12-23 16:24:00 UTC
DescriptionDBdeployer is a tool that deploys MySQL database servers easily. In DBdeployer before version 1.58.2, users unpacking a tarball may use a maliciously packaged tarball that contains symlinks to files external to the target. In such scenario, an attacker could induce dbdeployer to write into a system file, thus altering the computer defenses. For the attack to succeed, the following factors need to contribute: 1) The user is logged in as root. While dbdeployer is usable as root, it was designed to run as unprivileged user. 2) The user has taken a tarball from a non secure source, without testing the checksum. When the tarball is retrieved through dbdeployer, the checksum is compared before attempting to unpack. This has been fixed in version 1.58.2.

Risk And Classification

Problem Types: CWE-59

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dbdeployer Dbdeployer All All All All
Application Dbdeployer Dbdeployer All All All All

References

ReferenceSourceLinkTags
Prevent arbitrary symlinks from tarballs · datacharmer/dbdeployer@548e256 · GitHub MISC github.com Patch, Third Party Advisory
Symbolic links in an unpacking routine may enable attackers to read and/or write to arbitrary locations · Advisory · datacharmer/dbdeployer · GitHub CONFIRM github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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