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CERTFR-2019-AVI-444
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été découvertes dans OpenSSL. Elles permettent à un attaquant de provoquer une atteinte à l'intégrité des données et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "OpenSSL versions 1.0.2x ant\u00e9rieures \u00e0 1.0.2t",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 1.1.1x ant\u00e9rieures \u00e0 1.1.1d",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 1.1.0x ant\u00e9rieures \u00e0 1.1.0l",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2019-1549",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-1549"
},
{
"name": "CVE-2019-1547",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-1547"
},
{
"name": "CVE-2019-1563",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-1563"
}
],
"links": [],
"reference": "CERTFR-2019-AVI-444",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2019-09-12T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans OpenSSL. Elles\npermettent \u00e0 un attaquant de provoquer une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des\ndonn\u00e9es et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans OpenSSL",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 OpenSSL du 10 septembre 2019",
"url": "https://www.openssl.org/news/secadv/20190910.txt"
}
]
}
CVE-2019-1547 (GCVE-0-2019-1547)
Vulnerability from cvelistv5 – Published: 2019-09-10 16:58 – Updated: 2024-09-16 16:33
VLAI?
EPSS
Summary
Normally in OpenSSL EC groups always have a co-factor present and this is used in side channel resistant code paths. However, in some cases, it is possible to construct a group using explicit parameters (instead of using a named curve). In those cases it is possible that such a group does not have the cofactor present. This can occur even where all the parameters match a known named curve. If such a curve is used then OpenSSL falls back to non-side channel resistant code paths which may result in full key recovery during an ECDSA signature operation. In order to be vulnerable an attacker would have to have the ability to time the creation of a large number of signatures where explicit parameters with no co-factor present are in use by an application using libcrypto. For the avoidance of doubt libssl is not vulnerable because explicit parameters are never used. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).
Severity ?
No CVSS data available.
CWE
- Timing side channel
Assigner
References
Impacted products
Credits
Cesar Pereida García, Sohaib ul Hassan, Nicola Tuveri, Iaroslav Gridin, Alejandro Cabrera Aldaya, and Billy Brumley
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"title": "ECDSA remote timing attack"
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"datePublished": "2019-09-10T16:58:35.307121Z",
"dateReserved": "2018-11-28T00:00:00",
"dateUpdated": "2024-09-16T16:33:05.874Z",
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}
CVE-2019-1563 (GCVE-0-2019-1563)
Vulnerability from cvelistv5 – Published: 2019-09-10 16:58 – Updated: 2024-09-17 01:11
VLAI?
EPSS
Summary
In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).
Severity ?
No CVSS data available.
CWE
- Padding Oracle
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
Credits
Bernd Edlinger
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CVE-2019-1549 (GCVE-0-2019-1549)
Vulnerability from cvelistv5 – Published: 2019-09-10 16:58 – Updated: 2024-09-16 22:56
VLAI?
EPSS
Summary
OpenSSL 1.1.1 introduced a rewritten random number generator (RNG). This was intended to include protection in the event of a fork() system call in order to ensure that the parent and child processes did not share the same RNG state. However this protection was not being used in the default case. A partial mitigation for this issue is that the output from a high precision timer is mixed into the RNG state so the likelihood of a parent and child process sharing state is significantly reduced. If an application already calls OPENSSL_init_crypto() explicitly using OPENSSL_INIT_ATFORK then this problem does not occur at all. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c).
Severity ?
No CVSS data available.
CWE
- Random Number Generation
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||
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Impacted products
Credits
Matt Caswell
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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.
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