suse-su-2022:1918-1
Vulnerability from csaf_suse
Published
2022-06-02 08:48
Modified
2022-06-02 08:48
Summary
Security update for rubygem-yajl-ruby
Notes
Title of the patch
Security update for rubygem-yajl-ruby
Description of the patch
This update for rubygem-yajl-ruby fixes the following issue:
-CVE-2022-24795: Fixed a heap-based buffer overflow when handling large inputs due to an integer overflow (bsc#1198405)
Patchnames
SUSE-2022-1918,SUSE-OpenStack-Cloud-Crowbar-8-2022-1918,SUSE-OpenStack-Cloud-Crowbar-9-2022-1918
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "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-\u003ealloc 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.",
"title": "CVE description"
}
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"date": "2022-06-02T08:48:36Z",
"details": "moderate"
}
],
"title": "CVE-2022-24795"
}
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}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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