Description
It was discovered that the Subiquity installer for Ubuntu Server logged the LUKS full disk encryption password if one was entered.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | Subiquity | unspecified – < 20.05.2 | 20.05.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | subiquity | No fix yet | — |
| Ubuntu 20.04 LTS | subiquity | No fix yet | — |
| Ubuntu 18.04 LTS | subiquity | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 3 repositories
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ProjectorBUg/CVE-2020-11932 ★ 98 · May 10, 2020
Double-Free BUG in WhatsApp exploit poc.
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Staubgeborener/CVE-2020-11932 ★ 3 · May 14, 2020
Check CVE-2020-11932 (ubuntu server) and test host relating to this vulnerability
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code-developers/CVE-2020-11932 ★ 1 · Mar 27, 2021
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.