Vulnerability-Lookup

SUSE-SU-2025:03201-1

Vulnerability from csaf_suse - Published: 2025-09-12 12:24 - Updated: 2025-09-12 12:24

Summary

Security update for python-aiohttp

Severity

Low

Notes

Title of the patch: Security update for python-aiohttp

Description of the patch: This update for python-aiohttp fixes the following issues: - CVE-2025-53643: request smuggling vulnerability due to incorrect parsing trailer sections of an HTTP request (bsc#1246517).

Patchnames: SUSE-2025-3201,SUSE-SLE-Module-Public-Cloud-15-SP3-2025-3201,SUSE-SLE-Module-Public-Cloud-15-SP4-2025-3201,SUSE-SLE-Module-Public-Cloud-15-SP5-2025-3201,SUSE-SLE-Module-Public-Cloud-15-SP6-2025-3201,SUSE-SLE-Module-Public-Cloud-15-SP7-2025-3201

CVE-2025-53643

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

Recommended 20 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP3:python3-aiohttp-3.6.0-150100.3.27.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP3:python3-aiohttp-3.6.0-150100.3.27.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP3:python3-aiohttp-3.6.0-150100.3.27.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP3:python3-aiohttp-3.6.0-150100.3.27.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP4:python3-aiohttp-3.6.0-150100.3.27.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP4:python3-aiohttp-3.6.0-150100.3.27.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP4:python3-aiohttp-3.6.0-150100.3.27.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP4:python3-aiohttp-3.6.0-150100.3.27.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP5:python3-aiohttp-3.6.0-150100.3.27.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP5:python3-aiohttp-3.6.0-150100.3.27.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP5:python3-aiohttp-3.6.0-150100.3.27.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP5:python3-aiohttp-3.6.0-150100.3.27.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP6:python3-aiohttp-3.6.0-150100.3.27.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP6:python3-aiohttp-3.6.0-150100.3.27.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP6:python3-aiohttp-3.6.0-150100.3.27.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP6:python3-aiohttp-3.6.0-150100.3.27.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP7:python3-aiohttp-3.6.0-150100.3.27.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP7:python3-aiohttp-3.6.0-150100.3.27.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP7:python3-aiohttp-3.6.0-150100.3.27.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP7:python3-aiohttp-3.6.0-150100.3.27.1.x86_64	—	Vendor Fix

Threats

Impact low

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2025…	self
https://bugzilla.suse.com/1246517	self
https://www.suse.com/security/cve/CVE-2025-53643/	self
https://www.suse.com/security/cve/CVE-2025-53643	external
https://bugzilla.suse.com/1246517	external

JSON

To clipboard

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          "text": "https://www.suse.com/security/cve/CVE-2025-53643"
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      ],
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        {
          "category": "general",
          "text": "AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.12.14, the Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. If a pure Python version of aiohttp is installed (i.e. without the usual C extensions) or AIOHTTP_NO_EXTENSIONS is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. Version 3.12.14 contains a patch for this issue.",
          "title": "CVE description"
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      ],
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          "category": "external",
          "summary": "CVE-2025-53643",
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      "remediations": [
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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      "threats": [
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          "category": "impact",
          "date": "2025-09-12T12:24:43Z",
          "details": "low"
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      ],
      "title": "CVE-2025-53643"
    }
  ]
}

CVE-2025-53643 (GCVE-0-2025-53643)

Vulnerability from cvelistv5 – Published: 2025-07-14 20:17 – Updated: 2025-07-15 19:50

Title

AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections

Summary

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.12.14, the Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. If a pure Python version of aiohttp is installed (i.e. without the usual C extensions) or AIOHTTP_NO_EXTENSIONS is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. Version 3.12.14 contains a patch for this issue.

Severity

1.7 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-15 14:43 UTC

CWE

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/aio-libs/aiohttp/security/advi…	x_refsource_CONFIRM
https://github.com/aio-libs/aiohttp/commit/e8d774…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
aio-libs	aiohttp	Affected: < 3.12.14

Show details on NVD website

JSON

To clipboard

{
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        "metrics": [
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            "other": {
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                "id": "CVE-2025-53643",
                "options": [
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                  {
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-15T14:43:18.333063Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2025-07-15T19:50:40.717Z",
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          "vendor": "aio-libs",
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        }
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      "metrics": [
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            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 1.7,
            "baseSeverity": "LOW",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U",
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            "vulnConfidentialityImpact": "NONE",
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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.

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.

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.