CVE-2019-1559 (GCVE-0-2019-1559)

Vulnerability from cvelistv5 – Published: 2019-02-27 23:00 – Updated: 2024-09-17 04:20
VLAI?
Title
0-byte record padding oracle
Summary
If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable "non-stitched" ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Also the application must call SSL_shutdown() twice even if a protocol error has occurred (applications should not do this but some do anyway). Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q).
Severity ?
No CVSS data available.
CWE
  • Padding Oracle
Assigner
References
http://www.securityfocus.com/bid/107174 vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201903-10 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/3899-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://www.debian.org/security/2019/dsa-4400 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2019:2304 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2439 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2437 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2471 vendor-advisoryx_refsource_REDHAT
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2019:3929 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3931 vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://www.oracle.com/security-alerts/cpujan2020.html x_refsource_MISC
https://usn.ubuntu.com/4376-2/ vendor-advisoryx_refsource_UBUNTU
https://www.oracle.com/security-alerts/cpujan2021.html x_refsource_MISC
https://security.netapp.com/advisory/ntap-2019030… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019030… x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba… x_refsource_CONFIRM
https://www.openssl.org/news/secadv/20190226.txt x_refsource_CONFIRM
https://support.f5.com/csp/article/K18549143 x_refsource_CONFIRM
https://www.tenable.com/security/tns-2019-02 x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019042… x_refsource_CONFIRM
https://www.tenable.com/security/tns-2019-03 x_refsource_CONFIRM
https://kc.mcafee.com/corporate/index?page=conten… x_refsource_CONFIRM
https://support.f5.com/csp/article/K18549143?utm_… x_refsource_CONFIRM
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q)
Create a notification for this product.
Credits
Juraj Somorovsky, Robert Merget and Nimrod Aviram, with additional investigation by Steven Collison and Andrew Hourselt
Show details on NVD website
To clipboard 

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          "url": "https://security.netapp.com/advisory/ntap-20190423-0002/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.tenable.com/security/tns-2019-03"
        },
        {
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          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10282"
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            "x_refsource_CONFIRM"
          ],
          "url": "https://support.f5.com/csp/article/K18549143?utm_source=f5support\u0026amp%3Butm_medium=RSS"
        }
      ],
      "title": "0-byte record padding oracle",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "openssl-security@openssl.org",
          "DATE_PUBLIC": "2019-02-26",
          "ID": "CVE-2019-1559",
          "STATE": "PUBLIC",
          "TITLE": "0-byte record padding oracle"
        },
        "affects": {
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              {
                "product": {
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                      "product_name": "OpenSSL",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q)"
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                "vendor_name": "OpenSSL"
              }
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        },
        "credit": [
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            "lang": "eng",
            "value": "Juraj Somorovsky, Robert Merget and Nimrod Aviram, with additional investigation by Steven Collison and Andrew Hourselt"
          }
        ],
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        "data_type": "CVE",
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              "lang": "eng",
              "value": "If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable \"non-stitched\" ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Also the application must call SSL_shutdown() twice even if a protocol error has occurred (applications should not do this but some do anyway). Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q)."
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            {
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            {
              "name": "https://security.netapp.com/advisory/ntap-20190423-0002/",
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            {
              "name": "https://www.tenable.com/security/tns-2019-03",
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  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2019-1559",
    "datePublished": "2019-02-27T23:00:00.000Z",
    "dateReserved": "2018-11-28T00:00:00.000Z",
    "dateUpdated": "2024-09-17T04:20:35.057Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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Sightings

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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.