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Debian Security Advisory DSA 2860-1 (parcimonie - information disclosure)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

1 year ago

Summary

Holger Levsen discovered that parcimonie, a privacy-friendly helper to refresh a GnuPG keyring, is affected by a design problem that undermines the usefulness of this piece of software in the intended threat model. When using parcimonie with a large keyring (1000 public keys or more), it would always sleep exactly ten minutes between two key fetches. This can probably be used by an adversary who can watch enough key fetches to correlate multiple key fetches with each other, which is what parcimonie aims at protecting against. Smaller keyrings are affected to a smaller degree. This problem is slightly mitigated when using a HKP(s) pool as the configured GnuPG keyserver.

Affected Software

Affected Software

parcimonie on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the stable distribution (wheezy), this problem has been fixed in version 0.7.1-1+deb7u1. For the unstable distribution (sid), this problem has been fixed in version 0.8.1-1. We recommend that you upgrade your parcimonie packages.

Common Vulnerabilities and Exposures (CVE)