Vulnerability-Lookup

SUSE-SU-2021:0194-1

Vulnerability from csaf_suse - Published: 2021-01-22 12:31 - Updated: 2021-01-22 12:31

Summary

Security update for stunnel

Notes

Title of the patch

Security update for stunnel

Description of the patch

This update for stunnel fixes the following issues: Security issue fixed: - The 'redirect' option was fixed to properly handle 'verifyChain = yes' (bsc#1177580). Non-security issues fixed: - Fix startup problem of the stunnel daemon (bsc#1178533) - update to 5.57: * Security bugfixes * New features - New securityLevel configuration file option. - Support for modern PostgreSQL clients - TLS 1.3 configuration updated for better compatibility. * Bugfixes - Fixed a transfer() loop bug. - Fixed memory leaks on configuration reloading errors. - DH/ECDH initialization restored for client sections. - Delay startup with systemd until network is online. - A number of testing framework fixes and improvements. - update to 5.56: - Various text files converted to Markdown format. - Support for realpath(3) implementations incompatible with POSIX.1-2008, such as 4.4BSD or Solaris. - Support for engines without PRNG seeding methods (thx to Petr Mikhalitsyn). - Retry unsuccessful port binding on configuration file reload. - Thread safety fixes in SSL_SESSION object handling. - Terminate clients on exit in the FORK threading model. - Fixup stunnel.conf handling: * Remove old static openSUSE provided stunnel.conf. * Use upstream stunnel.conf and tailor it for openSUSE using sed. * Don't show README.openSUSE when installing. - enable /etc/stunnel/conf.d - re-enable openssl.cnf

Patchnames

SUSE-2021-194,SUSE-SLE-Module-Server-Applications-15-SP2-2021-194

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

To clipboard

{
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      "text": "moderate"
    },
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    "csaf_version": "2.0",
    "distribution": {
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      "tlp": {
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    "notes": [
      {
        "category": "summary",
        "text": "Security update for stunnel",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for stunnel fixes the following issues:\n\nSecurity issue fixed:\n\n- The \u0027redirect\u0027 option was fixed to properly handle \u0027verifyChain = yes\u0027 (bsc#1177580).\n\nNon-security issues fixed:\n\n- Fix startup problem of the stunnel daemon (bsc#1178533)\n\n- update to 5.57:\n  * Security bugfixes\n  * New features\n    - New securityLevel configuration file option.\n    - Support for modern PostgreSQL clients\n    - TLS 1.3 configuration updated for better compatibility.\n  * Bugfixes\n    - Fixed a transfer() loop bug.\n    - Fixed memory leaks on configuration reloading errors.\n    - DH/ECDH initialization restored for client sections.\n    - Delay startup with systemd until network is online.\n    - A number of testing framework fixes and improvements.\n\n- update to 5.56:\n  - Various text files converted to Markdown format.\n  - Support for realpath(3) implementations incompatible\n    with POSIX.1-2008, such as 4.4BSD or Solaris.\n  - Support for engines without PRNG seeding methods (thx to\n    Petr Mikhalitsyn).\n  - Retry unsuccessful port binding on configuration\n    file reload.\n  - Thread safety fixes in SSL_SESSION object handling.\n  - Terminate clients on exit in the FORK threading model.\n\n- Fixup stunnel.conf handling:\n  * Remove old static openSUSE provided stunnel.conf.\n  * Use upstream stunnel.conf and tailor it for openSUSE using sed.\n  * Don\u0027t show README.openSUSE when installing.\n\n- enable /etc/stunnel/conf.d\n- re-enable openssl.cnf\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
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        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
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        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_0194-1.json"
      },
      {
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        "url": "https://www.suse.com/support/update/announcement/2021/suse-su-20210194-1/"
      },
      {
        "category": "self",
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        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-January/008236.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1177580",
        "url": "https://bugzilla.suse.com/1177580"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1178533",
        "url": "https://bugzilla.suse.com/1178533"
      }
    ],
    "title": "Security update for stunnel",
    "tracking": {
      "current_release_date": "2021-01-22T12:31:09Z",
      "generator": {
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      "id": "SUSE-SU-2021:0194-1",
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      "revision_history": [
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          "date": "2021-01-22T12:31:09Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
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              {
                "category": "product_version",
                "name": "stunnel-5.57-3.5.1.aarch64",
                "product": {
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          {
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                  "product_id": "stunnel-5.57-3.5.1.i586"
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            ],
            "category": "architecture",
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          },
          {
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            ],
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          },
          {
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                }
              }
            ],
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          },
          {
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                  "product_id": "stunnel-5.57-3.5.1.x86_64"
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              }
            ],
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          },
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                "name": "SUSE Linux Enterprise Module for Server Applications 15 SP2",
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                  "name": "SUSE Linux Enterprise Module for Server Applications 15 SP2",
                  "product_id": "SUSE Linux Enterprise Module for Server Applications 15 SP2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-server-applications:15:sp2"
                  }
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              }
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        ],
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      }
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        },
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      },
      {
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        },
        "product_reference": "stunnel-5.57-3.5.1.ppc64le",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Server Applications 15 SP2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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          "product_id": "SUSE Linux Enterprise Module for Server Applications 15 SP2:stunnel-5.57-3.5.1.s390x"
        },
        "product_reference": "stunnel-5.57-3.5.1.s390x",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Server Applications 15 SP2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "stunnel-5.57-3.5.1.x86_64 as component of SUSE Linux Enterprise Module for Server Applications 15 SP2",
          "product_id": "SUSE Linux Enterprise Module for Server Applications 15 SP2:stunnel-5.57-3.5.1.x86_64"
        },
        "product_reference": "stunnel-5.57-3.5.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Server Applications 15 SP2"
      }
    ]
  }
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

SUSE-SU-2021:0194-1

Tags

Sightings

Nomenclature