SUSE-SU-2019:0061-1
Vulnerability from csaf_suse - Published: 2019-01-10 15:33 - Updated: 2019-01-10 15:33Summary
Security update for haproxy
Severity
Important
Notes
Title of the patch: Security update for haproxy
Description of the patch: This update for haproxy to version 1.8.15 fixes the following issues:
Security issues fixed:
- CVE-2018-20102: Fixed an out-of-bounds read in dns_validate_dns_response(),
which allowed for memory disclosure (bsc#1119368)
- CVE-2018-20103: Fixed an infinite recursion via crafted packet allows stack
exhaustion and denial of service (bsc#1119419)
Other notable bug fixes:
- Fix off-by-one write in dns_validate_dns_response()
- Fix out-of-bounds read via signedness error in dns_validate_dns_response()
- Prevent out-of-bounds read in dns_validate_dns_response()
- Prevent out-of-bounds read in dns_read_name()
- Prevent stack-exhaustion via recursion loop in dns_read_name
For a full list of changes, please refer to:
https://www.haproxy.org/download/1.8/src/CHANGELOG
Patchnames: SUSE-2019-61,SUSE-SLE-Product-HA-15-2019-61
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
6.5 (Medium)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise High Availability Extension 15:haproxy-1.8.15~git0.6b6a350a-3.6.2.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Availability Extension 15:haproxy-1.8.15~git0.6b6a350a-3.6.2.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Availability Extension 15:haproxy-1.8.15~git0.6b6a350a-3.6.2.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Availability Extension 15:haproxy-1.8.15~git0.6b6a350a-3.6.2.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
7.5 (High)
Affected products
Recommended
4 products, the same list as for
CVE-2018-20102
Threats
Impact
important
References
12 references
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"text": "An out-of-bounds read in dns_validate_dns_response in dns.c was discovered in HAProxy through 1.8.14. Due to a missing check when validating DNS responses, remote attackers might be able read the 16 bytes corresponding to an AAAA record from the non-initialized part of the buffer, possibly accessing anything that was left on the stack, or even past the end of the 8193-byte buffer, depending on the value of accepted_payload_size.",
"title": "CVE description"
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"text": "An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.",
"title": "CVE description"
}
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"title": "CVE-2018-20103"
}
]
}
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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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