Linux Security
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    Debian: DSA-2860-1: parcimonie security update

    Date
    153
    Posted By
    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.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-2860-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                      Salvatore Bonaccorso
    February 11, 2014                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : parcimonie
    Vulnerability  : information disclosure
    CVE ID         : CVE-2014-1921
    Debian Bug     : 738134
    
    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.
    
    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.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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