CVE-2017-12933 (GCVE-0-2017-12933)
Vulnerability from cvelistv5 – Published: 2017-08-18 03:00 – Updated: 2024-08-05 18:51
VLAI
EPSS
VEX
Summary
The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
Severity
9.8 (Critical)
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:1296 | vendor-advisoryx_refsource_REDHAT |
| http://php.net/ChangeLog-5.php | x_refsource_CONFIRM |
| https://bugs.php.net/bug.php?id=74111 | x_refsource_CONFIRM |
| https://www.debian.org/security/2018/dsa-4081 | vendor-advisoryx_refsource_DEBIAN |
| https://www.debian.org/security/2018/dsa-4080 | vendor-advisoryx_refsource_DEBIAN |
| https://usn.ubuntu.com/3566-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://php.net/ChangeLog-7.php | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/99490 | vdb-entryx_refsource_BID |
| https://usn.ubuntu.com/3566-2/ | vendor-advisoryx_refsource_UBUNTU |
Date Public
2017-08-17 00:00
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],
"negate": false,
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP."
},
{
"lang": "es",
"value": "La funci\u00f3n finish_nested_data en ext/standard/var_unserializer.re en PHP en versiones anteriores a la 5.6.31, versiones 7.0.x anteriores a la 7.0.21 y versiones 7.1.x anteriores a la 7.1.7 es propenso a sufrir un buffer over-read al deserializar datos que no son de confianza. La explotaci\u00f3n de este problema puede tener un impacto sin especificar en la integridad de PHP."
}
],
"id": "CVE-2017-12933",
"lastModified": "2026-05-13T00:24:29.033",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
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"baseScore": 7.5,
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},
"published": "2017-08-18T03:29:00.230",
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"tags": [
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"id": "CVE-2017-12933",
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"source": "SUSE CSAF VEX",
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}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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