ArchLinux: 202011-21: swtpm: privilege escalation
Summary
A potential symbolic link following issue has been found in swtpm before 0.5.1.
Resolution
Upgrade to 0.5.1-1.
# pacman -Syu "swtpm>=0.5.1-1"
The problem has been fixed upstream in version 0.5.1.
References
https://github.com/stefanberger/swtpm/compare/v0.5.0...v0.5.1 https://github.com/stefanberger/swtpm/commit/e9c9778d5c35ef077aed1ec6601b47ac478f8185 https://github.com/stefanberger/swtpm/commit/4cc42c0ba3632a98ef381bda68d0a4eaec4578db https://github.com/stefanberger/swtpm/commit/634b6294000fb785b9f12e13b852c18a0888b01e https://github.com/stefanberger/swtpm/commit/a03cbadd087b2602412823f254ac75a9a12d97e3 https://github.com/stefanberger/swtpm/commit/526300236dc8a7664acdc265b6fc5d767289ac39 https://github.com/stefanberger/swtpm/commit/e621b21d4c31029ebe794350fcff2bcd4b0f13a0 https://security.archlinux.org/CVE-2020-28407
Workaround
None.