suse-su-2021:1465-1
Vulnerability from csaf_suse
Published
2021-05-03 16:19
Modified
2021-05-03 16:19
Summary
Security update for stunnel
Notes
Title of the patch
Security update for stunnel
Description of the patch
This update for stunnel fixes the following issues:
- Security fix: [bsc#1177580, bsc#1182529, CVE-2021-20230]
* 'redirect' option does not properly handle 'verifyChain = yes'
Patchnames
SUSE-2021-1465,SUSE-SLE-Product-HPC-15-2021-1465,SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-1465,SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-1465,SUSE-SLE-Product-SLES-15-2021-1465,SUSE-SLE-Product-SLES-15-SP1-BCL-2021-1465,SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-1465,SUSE-SLE-Product-SLES_SAP-15-2021-1465,SUSE-SLE-Product-SLES_SAP-15-SP1-2021-1465,SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1465,SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1465,SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-1465,SUSE-Storage-6-2021-1465
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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{
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"full_product_name": {
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"vulnerabilities": [
{
"cve": "CVE-2021-20230",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-20230"
}
],
"notes": [
{
"category": "general",
"text": "A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use both redirect and verifyChain options. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.",
"title": "CVE description"
}
],
"product_status": {
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"category": "external",
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},
{
"category": "external",
"summary": "SUSE Bug 1177580 for CVE-2021-20230",
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},
{
"category": "external",
"summary": "SUSE Bug 1182529 for CVE-2021-20230",
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"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"date": "2021-05-03T16:19:57Z",
"details": "important"
}
],
"title": "CVE-2021-20230"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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