Operating System:

[Debian]

Published:

18 December 2019

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.4696
                          ruby2.5 security update
                             18 December 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           ruby
Publisher:         Debian
Operating System:  Debian GNU/Linux 10
                   Debian GNU/Linux 9
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Provide Misleading Information  -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-16255 CVE-2019-16254 CVE-2019-16201
                   CVE-2019-15845  

Reference:         ESB-2019.4603
                   ESB-2019.4477
                   ESB-2019.4448
                   ESB-2019.3678

Original Bulletin: 
   http://www.debian.org/security/2019/dsa-4586
   http://www.debian.org/security/2019/dsa-4587

Comment: This bulletin contains two (2) Debian security advisories.

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Debian Security Advisory DSA-4586-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
December 17, 2019                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : ruby2.5
CVE ID         : CVE-2019-15845 CVE-2019-16201 CVE-2019-16254 CVE-2019-16255

Several vulnerabilities have been discovered in the interpreter for the
Ruby language, which could result in unauthorized access by bypassing
intended path matchings, denial of service, or the execution of
arbitrary code.

For the stable distribution (buster), these problems have been fixed in
version 2.5.5-3+deb10u1.

We recommend that you upgrade your ruby2.5 packages.

For the detailed security status of ruby2.5 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/ruby2.5

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: debian-security-announce@lists.debian.org
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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-4587-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
December 17, 2019                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : ruby2.3
CVE ID         : CVE-2019-15845 CVE-2019-16201 CVE-2019-16254 CVE-2019-16255

Several vulnerabilities have been discovered in the interpreter for the
Ruby language, which could result in unauthorized access by bypassing
intended path matchings, denial of service, or the execution of
arbitrary code.

For the oldstable distribution (stretch), these problems have been fixed
in version 2.3.3-1+deb9u7.

We recommend that you upgrade your ruby2.3 packages.

For the detailed security status of ruby2.3 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/ruby2.3

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: debian-security-announce@lists.debian.org
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