VIR Vulnerability Intelligence Relay

CVE-2018-20781

medium
Published — · Modified —
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
6.5

Description

In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

post_linux/gather/mimipenguin rank 300
MimiPenguin
Source fetch failed: fetch_error — view the original via the link above.

OS impact
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —
arch Arch Fixed 1 release
VersionStatusFixed in
— Fixed 3.27.2-1
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 3.28.0-1
sid Fixed 3.28.0-1
forky Fixed 3.28.0-1
bullseye Fixed 3.28.0-1
bookworm Fixed 3.28.0-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.