CVE-2019-11396

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Summary

CVECVE-2019-11396
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-08-29 20:15:00 UTC
Updated2020-08-24 17:37:00 UTC
DescriptionAn issue was discovered in Avira Free Security Suite 10. The permissive access rights on the SoftwareUpdater folder (files / folders and configuration) are incompatible with the privileged file manipulation performed by the product. Files can be created that can be used by an unprivileged user to obtain SYSTEM privileges. Arbitrary file creation can be achieved by abusing the SwuConfig.json file creation: an unprivileged user can replace these files by pseudo-symbolic links to arbitrary files. When an update occurs, a privileged service creates a file and sets its access rights, offering write access to the Everyone group in any directory.

Risk And Classification

Problem Types: CWE-59

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Avira Free Security Suite 2019 All All All
Application Avira Free Security Suite 2019 All All All
Application Avira Software Updater All All All All
Operating System Microsoft Windows - All All All
Operating System Microsoft Windows - All All All

References

ReferenceSourceLinkTags
Vulnerabilidade no Avira Security Suite pode levar à escalação de privilégios no Windows MISC medium.com
Avira Free Security Suite 2019 Software Updater 2.0.6.13175 Improper Access Control ≈ Packet Storm MISC packetstormsecurity.com
Full Disclosure: Avira Free Security Suite 2019 - Exploiting Arbitrary File Writes for Local Elevation of Privilege FULLDISC seclists.org Mailing List, 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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