csaf_redhat - rhsa-2023

rhsa-2023_2592

Vulnerability from csaf_redhat

Published

2023-05-09 10:04

Modified

2024-11-22 20:42

Summary

Red Hat Security Advisory: golang-github-cpuguy83-md2man security, bug fix, and enhancement update

Notes

Topic

An update for golang-github-cpuguy83-md2man is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

go-md2man converts markdown into roff (man pages). Security Fix(es): * golang: regexp/syntax: limit memory used by parsing regexps (CVE-2022-41715) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.2 Release Notes linked from the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

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        "text": "go-md2man converts markdown into roff (man pages).\n\nSecurity Fix(es):\n\n* golang: regexp/syntax: limit memory used by parsing regexps (CVE-2022-41715)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 9.2 Release Notes linked from the References section.",
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  "vulnerabilities": [
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        {
          "category": "description",
          "text": "A flaw was found in the golang package, where programs that compile regular expressions from untrusted sources are vulnerable to memory exhaustion or a denial of service. The parsed regexp representation is linear in the input size. Still, in some cases, the constant factor can be as high as 40,000, making a relatively small regexp consume larger amounts of memory. After the fix, each regexp being parsed is limited to a 256 MB memory footprint. Regular expressions whose representation would use more space than that are rejected. Routine use of regular expressions is unaffected.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: regexp/syntax: limit memory used by parsing regexps",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The opportunity for a Denial of Service is limited to the golang runtime. In the case of OpenShift Container Platform, this would be restricted within each individual container. There are multiple layers of guide rails (Golang\u2019s Garbage Collector; OpenShift\u2019s resource constraints imposed at the container and cluster levels) which would require a malicious user to continue submitting attacks for there to be any enduring impact. They would also need access to external server resources to be able to send a massive volume of requests to cause a significant impact on server operations.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "CRB-9.2.0.GA:golang-github-cpuguy83-md2man-debugsource-0:2.0.2-4.el9.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-41715"
        },
        {
          "category": "external",
          "summary": "RHBZ#2132872",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2132872"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-41715",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-41715"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-41715",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-41715"
        },
        {
          "category": "external",
          "summary": "https://github.com/golang/go/issues/55949",
          "url": "https://github.com/golang/go/issues/55949"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/xtuG5faxtaU?pli=1",
          "url": "https://groups.google.com/g/golang-announce/c/xtuG5faxtaU?pli=1"
        }
      ],
      "release_date": "2022-10-04T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-05-09T10:04:01+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:2592"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "golang: regexp/syntax: limit memory used by parsing regexps"
    }
  ]
}

cve-2022-41715

Vulnerability from cvelistv5

Published

2022-10-14 00:00

Modified

2024-08-03 12:49

Severity ?

Summary

Memory exhaustion when compiling regular expressions in regexp/syntax

References

▼	URL	Tags
	https://go.dev/issue/55949
	https://go.dev/cl/439356
	https://groups.google.com/g/golang-announce/c/xtuG5faxtaU
	https://pkg.go.dev/vuln/GO-2022-1039
	https://security.gentoo.org/glsa/202311-09

Impacted products

▼	Vendor	Product
	Go standard library	regexp/syntax

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T12:49:43.550Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/issue/55949"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://go.dev/cl/439356"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/xtuG5faxtaU"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2022-1039"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202311-09"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "regexp/syntax",
          "product": "regexp/syntax",
          "programRoutines": [
            {
              "name": "parser.push"
            },
            {
              "name": "parser.repeat"
            },
            {
              "name": "parser.factor"
            },
            {
              "name": "parse"
            },
            {
              "name": "Parse"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.18.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.19.2",
              "status": "affected",
              "version": "1.19.0-0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Adam Korczynski (ADA Logics)"
        },
        {
          "lang": "en",
          "value": "OSS-Fuzz"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Programs which compile regular expressions from untrusted sources may be vulnerable to memory exhaustion or denial of service. The parsed regexp representation is linear in the size of the input, but in some cases the constant factor can be as high as 40,000, making relatively small regexps consume much larger amounts of memory. After fix, each regexp being parsed is limited to a 256 MB memory footprint. Regular expressions whose representation would use more space than that are rejected. Normal use of regular expressions is unaffected."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE 400: Uncontrolled Resource Consumption",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-12T19:05:32.997Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
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          "url": "https://go.dev/issue/55949"
        },
        {
          "url": "https://go.dev/cl/439356"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/xtuG5faxtaU"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2022-1039"
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        {
          "url": "https://security.gentoo.org/glsa/202311-09"
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      ],
      "title": "Memory exhaustion when compiling regular expressions in regexp/syntax"
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  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2022-41715",
    "datePublished": "2022-10-14T00:00:00",
    "dateReserved": "2022-09-28T00:00:00",
    "dateUpdated": "2024-08-03T12:49:43.550Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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