CVE-2022-24795 (GCVE-0-2022-24795)

Vulnerability from cvelistv5 – Published: 2022-04-05 00:00 – Updated: 2025-04-22 18:17
VLAI
Title
Buffer Overflow and Integer Overflow in yajl-ruby
Summary
yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf->alloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-122 - Heap-based Buffer Overflow
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version
brianmario yajl-ruby Affected: <= 1.4.1
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As a workaround, avoid passing large inputs to YAJL.\"}], \"affected\": [{\"vendor\": \"brianmario\", \"product\": \"yajl-ruby\", \"versions\": [{\"version\": \"\u003c= 1.4.1\", \"status\": \"affected\"}]}], \"references\": [{\"url\": \"https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm\"}, {\"url\": \"https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6\"}, {\"url\": \"https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64\"}, {\"name\": \"[debian-lts-announce] 20230711 [SECURITY] [DLA 3492-1] yajl security update\", \"tags\": [\"mailing-list\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html\"}, {\"name\": \"FEDORA-2023-00572178e1\", \"tags\": [\"vendor-advisory\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/\"}, {\"name\": \"FEDORA-2023-852b377773\", \"tags\": [\"vendor-advisory\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/\"}, {\"name\": \"[debian-lts-announce] 20230805 [SECURITY] [DLA 3516-1] burp security update\", \"tags\": [\"mailing-list\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 5.9, \"baseSeverity\": \"MEDIUM\"}}], \"problemTypes\": [{\"descriptions\": [{\"type\": \"CWE\", \"lang\": \"en\", \"description\": \"CWE-122: Heap-based Buffer Overflow\", \"cweId\": \"CWE-122\"}]}, {\"descriptions\": [{\"type\": \"CWE\", \"lang\": \"en\", \"description\": \"CWE-190: Integer Overflow or Wraparound\", \"cweId\": \"CWE-190\"}]}], \"source\": {\"advisory\": \"GHSA-jj47-x69x-mxrm\", \"discovery\": \"UNKNOWN\"}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T04:20:50.514Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64\", \"tags\": [\"x_transferred\"]}, {\"name\": \"[debian-lts-announce] 20230711 [SECURITY] [DLA 3492-1] yajl security update\", \"tags\": [\"mailing-list\", \"x_transferred\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html\"}, {\"name\": \"FEDORA-2023-00572178e1\", \"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/\"}, {\"name\": \"FEDORA-2023-852b377773\", \"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/\"}, {\"name\": \"[debian-lts-announce] 20230805 [SECURITY] [DLA 3516-1] burp security update\", \"tags\": [\"mailing-list\", \"x_transferred\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-24795\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-22T15:49:09.360664Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-22T15:49:11.449Z\"}}]}",
      "cveMetadata": "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2022-24795\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"assignerShortName\": \"GitHub_M\", \"dateUpdated\": \"2025-04-22T18:17:37.564Z\", \"dateReserved\": \"2022-02-10T00:00:00.000Z\", \"datePublished\": \"2022-04-05T00:00:00.000Z\"}",
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}


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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.