RHSA-2020:2040

Vulnerability from csaf_opensuse - Published: 2020-05-06 00:00 - Updated: 2026-09-20 11:08
Summary
security update for squid
Severity
Important
Notes
Title of the patch: security update for squid
Description of the patch: This security update provides a functional equivalent of RHSA-2020:2040. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2020:2040.
Patchnames: RHSA-2020:2040
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2019-12519
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 7:squid-7:3.5.20-15.el7_8.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:squid-migration-script-7:3.5.20-15.el7_8.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:squid-sysvinit-7:3.5.20-15.el7_8.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2019-12525
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 3 products, the same list as for CVE-2019-12519
Threats
Impact important
CVE-2020-11945
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 3 products, the same list as for CVE-2019-12519
Threats
Impact important
References
To clipboard 

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  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2019-12519"
        }
      ],
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          "text": "An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it\u0027s being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won\u0027t overflow.",
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        }
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            "SUSE Liberty Linux 7:squid-sysvinit-7:3.5.20-15.el7_8.1.x86_64"
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            "SUSE Liberty Linux 7:squid-sysvinit-7:3.5.20-15.el7_8.1.x86_64"
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          "date": "2020-05-06T00:00:00Z",
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      "title": "CVE-2019-12519"
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        {
          "category": "general",
          "text": "An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token\u0027s value starts with a quote and ends with one. If so, it performs a memcpy of its length minus 2. Squid never checks whether the value is just a single quote (which would satisfy its requirements), leading to a memcpy of its length minus 1.",
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          "text": "https://www.suse.com/security/cve/CVE-2020-11945"
        }
      ],
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        {
          "category": "general",
          "text": "An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials).",
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          "SUSE Liberty Linux 7:squid-sysvinit-7:3.5.20-15.el7_8.1.x86_64"
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        },
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          "summary": "SUSE Bug 1170313 for CVE-2020-11945",
          "url": "https://bugzilla.suse.com/1170313"
        }
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            "SUSE Liberty Linux 7:squid-sysvinit-7:3.5.20-15.el7_8.1.x86_64"
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            "SUSE Liberty Linux 7:squid-migration-script-7:3.5.20-15.el7_8.1.x86_64",
            "SUSE Liberty Linux 7:squid-sysvinit-7:3.5.20-15.el7_8.1.x86_64"
          ]
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          "date": "2020-05-06T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-11945"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.