github - ghsa-qjx3-4wr5-3c93

GHSA-QJX3-4WR5-3C93

Vulnerability from github – Published: 2022-05-13 01:12 – Updated: 2022-05-13 01:12

Details

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Severity ?

5.6 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2018-16868"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-12-03T14:29:00Z",
    "severity": "MODERATE"
  },
  "details": "A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.",
  "id": "GHSA-qjx3-4wr5-3c93",
  "modified": "2022-05-13T01:12:25Z",
  "published": "2022-05-13T01:12:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16868"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868"
    },
    {
      "type": "WEB",
      "url": "http://cat.eyalro.net"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html"
    },
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      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/106080"
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-16868 (GCVE-0-2018-16868)

Vulnerability from cvelistv5 – Published: 2018-12-03 14:00 – Updated: 2024-08-05 10:32

Summary

Severity ?

4.7 (Medium)


                        
                          CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

CWE

CWE-203

Assigner

redhat

References

URL

Tags

	http://www.securityfocus.com/bid/106080	vdb-entryx_refsource_BID
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://cat.eyalro.net/	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	[UNKNOWN]	gnutls	Affected: n/a

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JSON

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      ],
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            "confidentialityImpact": "HIGH",
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-QJX3-4WR5-3C93

CVE-2018-16868 (GCVE-0-2018-16868)

Tags

Sightings

Nomenclature