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SUSE-SU-2018:2534-1

Vulnerability from csaf_suse - Published: 2018-08-28 09:05 - Updated: 2018-08-28 09:05
Summary
Security update for compat-openssl097g
Severity
Moderate
Notes
Title of the patch: Security update for compat-openssl097g
Description of the patch: This update for compat-openssl097g fixes the following issues: These security issues were fixed: - CVE-2018-0732: During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server could have sent a very large prime value to the client. This caused the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack (bsc#1097158) - CVE-2018-0739: Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could have resulted in DoS (bsc#1087102) This non-security issue was fixed: - Fixed crash in DES_fcrypt (bsc#1065363)
Patchnames: slesappsp4-compat-openssl097g-13753
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2018-0732
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:compat-openssl097g-0.9.7g-146.22.51.5.1.ppc64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:compat-openssl097g-0.9.7g-146.22.51.5.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:compat-openssl097g-32bit-0.9.7g-146.22.51.5.1.ppc64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 11 SP4:compat-openssl097g-32bit-0.9.7g-146.22.51.5.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2018-0739
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2018-0732
Threats
Impact important
References
To clipboard 

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          "text": "During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).",
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          "date": "2018-08-28T09:05:06Z",
          "details": "important"
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      ],
      "title": "CVE-2018-0739"
    }
  ]
}



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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.


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.