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CVE-2010-3868 (GCVE-0-2010-3868)
Vulnerability from cvelistv5 – Published: 2010-11-17 15:00 – Updated: 2024-08-07 03:26
VLAI?
EPSS
Summary
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, which allows remote attackers to obtain PINs by sniffing the network for SCEP requests and then sending decryption requests to the Certificate Authority component.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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GHSA-HG35-P8X7-FW5F
Vulnerability from github – Published: 2022-05-17 05:45 – Updated: 2022-05-17 05:45
VLAI?
Details
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, which allows remote attackers to obtain PINs by sniffing the network for SCEP requests and then sending decryption requests to the Certificate Authority component.
{
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],
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"github_reviewed_at": null,
"nvd_published_at": "2010-11-17T16:00:00Z",
"severity": "MODERATE"
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"modified": "2022-05-17T05:45:55Z",
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RHSA-2010:0837
Vulnerability from csaf_redhat - Published: 2010-11-08 20:06 - Updated: 2025-11-21 17:36Summary
Red Hat Security Advisory: rhpki security and enhancement update
Severity
Moderate
Notes
Topic: Updated rhpki-ca, rhpki-common, and rhpki-util packages that fix three
security issues and add several enhancements are now available for Red Hat
Certificate System 7.3.
The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details: Red Hat Certificate System is an enterprise software system designed to
manage enterprise public key infrastructure (PKI) deployments. Simple
Certificate Enrollment Protocol (SCEP) is a PKI communication protocol
used to automatically enroll certificates for network devices.
The certificate authority allowed unauthenticated users to request the
one-time PIN in an SCEP request to be decrypted. An attacker able to sniff
an SCEP request from a network device could request the certificate
authority to decrypt the request, allowing them to obtain the one-time
PIN. With this update, the certificate authority only handles decryption
requests from authenticated registration authorities. (CVE-2010-3868)
The certificate authority allowed the one-time PIN used in SCEP requests
to be re-used. An attacker possessing a valid SCEP enrollment one-time PIN
could use it to generate an unlimited number of certificates.
(CVE-2010-3869)
The certificate authority used the MD5 hash algorithm to sign all SCEP
protocol responses. As MD5 is not collision resistant, an attacker could
use this flaw to perform an MD5 chosen-prefix collision attack to generate
attack-chosen output signed using the certificate authority's key.
(CVE-2004-2761)
This update also adds the following enhancements:
* Support for the stronger encryption algorithm Triple-DES (DES3), and
stronger hash algorithms SHA1, SHA256, and SHA512, for use in SCEP
communication. These algorithms are in addition to the previously supported
DES and MD5 algorithms.
* New configuration options for the SCEP server can define the default and
allowed encryption and hash algorithms. These options allow disabling uses
of the weaker algorithms not required by network devices and prevent
possible downgrade attacks. These can be configured by adding the following
options to the certificate authority's CS.cfg configuration file:
ca.scep.encryptionAlgorithm=DES3
ca.scep.allowedEncryptionAlgorithms=DES3
ca.scep.hashAlgorithm=SHA1
ca.scep.allowedHashAlgorithms=SHA1,SHA256,SHA512
* With this update, the certificate authority's SCEP server is disabled by
default. The SCEP server can be enabled by adding the 'ca.scep.enable=true'
option to the certificate authority's CS.cfg configuration file.
* A separate key pair can now be configured for use in SCEP communication.
Previously, the main certificate authority's key pair was used for SCEP
communication too. A designated SCEP key pair can be referenced by adding
a new option, ca.scep.nickname=[scep certificate nickname], to the
certificate authority's CS.cfg configuration file.
* The certificate authority now allows the size of nonces used in SCEP
requests to be restricted by adding a new option, ca.scep.nonceSizeLimit=
[number of bytes], to the certificate authority's CS.cfg configuration
file. The limit is set to 16 bytes in the default CS.cfg configuration
file.
All users of Red Hat Certificate System 7.3 should upgrade to these updated
packages, which resolve these issues and add these enhancements.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
The MD5 Message-Digest Algorithm is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of MD5 in the signature algorithm of an X.509 certificate.
4.3 ()
Vendor Fix
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2010:0837
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, which allows remote attackers to obtain PINs by sniffing the network for SCEP requests and then sending decryption requests to the Certificate Authority component.
4.0 ()
Vendor Fix
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2010:0837
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System allow remote authenticated users to generate an arbitrary number of certificates by replaying a single SCEP one-time PIN.
4.0 ()
Vendor Fix
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2010:0837
References
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{
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},
{
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"title": "CVSS score applicability"
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"title": "System: unauthenticated user can request SCEP one-time PIN decryption"
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},
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},
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"title": "CVSS score applicability"
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"title": "System: SCEP one-time PIN reuse"
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]
}
RHSA-2010:0838
Vulnerability from csaf_redhat - Published: 2010-11-08 20:09 - Updated: 2025-11-21 17:36Summary
Red Hat Security Advisory: pki security and enhancement update
Severity
Moderate
Notes
Topic: Updated pki-ca, pki-util, and pki-common packages that fix three security
issues and add several enhancements are now available for Red Hat
Certificate System 8.
The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details: Red Hat Certificate System is an enterprise software system designed to
manage enterprise public key infrastructure (PKI) deployments. Simple
Certificate Enrollment Protocol (SCEP) is a PKI communication protocol
used to automatically enroll certificates for network devices.
The certificate authority allowed unauthenticated users to request the
one-time PIN in an SCEP request to be decrypted. An attacker able to sniff
an SCEP request from a network device could request the certificate
authority to decrypt the request, allowing them to obtain the one-time
PIN. With this update, the certificate authority only handles decryption
requests from authenticated registration authorities. (CVE-2010-3868)
The certificate authority allowed the one-time PIN used in SCEP requests
to be re-used. An attacker possessing a valid SCEP enrollment one-time PIN
could use it to generate an unlimited number of certificates.
(CVE-2010-3869)
The certificate authority used the MD5 hash algorithm to sign all SCEP
protocol responses. As MD5 is not collision resistant, an attacker could
use this flaw to perform an MD5 chosen-prefix collision attack to generate
attack-chosen output signed using the certificate authority's key.
(CVE-2004-2761)
This update also adds the following enhancements:
* New configuration options for the SCEP server can define the default and
allowed encryption and hash algorithms. These options allow disabling uses
of the weaker algorithms not required by network devices and prevent
possible downgrade attacks. These can be configured by adding the following
options to the certificate authority's CS.cfg configuration file:
ca.scep.encryptionAlgorithm=DES3
ca.scep.allowedEncryptionAlgorithms=DES3
ca.scep.hashAlgorithm=SHA1
ca.scep.allowedHashAlgorithms=SHA1,SHA256,SHA512
* With this update, the certificate authority's SCEP server is disabled by
default. The SCEP server can be enabled by adding the 'ca.scep.enable=true'
option to the certificate authority's CS.cfg configuration file.
* A separate key pair can now be configured for use in SCEP communication.
Previously, the main certificate authority's key pair was used for SCEP
communication too. A designated SCEP key pair can be referenced by adding
a new option, ca.scep.nickname=[scep certificate nickname], to the
certificate authority's CS.cfg configuration file.
* The certificate authority now allows the size of nonces used in SCEP
requests to be restricted by adding a new option, ca.scep.nonceSizeLimit=
[number of bytes], to the certificate authority's CS.cfg configuration
file. The limit is set to 16 bytes in the default CS.cfg configuration
file.
All users of Red Hat Certificate System 8 should upgrade to these updated
packages, which resolve these issues and add these enhancements.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
The MD5 Message-Digest Algorithm is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of MD5 in the signature algorithm of an X.509 certificate.
4.3 ()
Vendor Fix
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2010:0838
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, which allows remote attackers to obtain PINs by sniffing the network for SCEP requests and then sending decryption requests to the Certificate Authority component.
4.0 ()
Vendor Fix
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2010:0838
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System allow remote authenticated users to generate an arbitrary number of certificates by replaying a single SCEP one-time PIN.
4.0 ()
Vendor Fix
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2010:0838
References
| URL | Category | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated pki-ca, pki-util, and pki-common packages that fix three security\nissues and add several enhancements are now available for Red Hat\nCertificate System 8.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
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"title": "CVSS score applicability"
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"details": "Moderate"
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},
{
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"discovery_date": "2008-11-10T00:00:00+00:00",
"ids": [
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],
"notes": [
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"text": "Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System allow remote authenticated users to generate an arbitrary number of certificates by replaying a single SCEP one-time PIN.",
"title": "Vulnerability description"
},
{
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},
{
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GSD-2010-3868
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, which allows remote attackers to obtain PINs by sniffing the network for SCEP requests and then sending decryption requests to the Certificate Authority component.
Aliases
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FKIE_CVE-2010-3868
Vulnerability from fkie_nvd - Published: 2010-11-17 16:00 - Updated: 2025-04-11 00:51
Severity ?
Summary
Red Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, which allows remote attackers to obtain PINs by sniffing the network for SCEP requests and then sending decryption requests to the Certificate Authority component.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | http://secunia.com/advisories/42181 | Vendor Advisory | |
| secalert@redhat.com | http://securitytracker.com/id?1024697 | ||
| secalert@redhat.com | http://www.osvdb.org/69149 | ||
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=648882 | ||
| secalert@redhat.com | https://fedorahosted.org/pki/changeset/1261 | Patch | |
| secalert@redhat.com | https://rhn.redhat.com/errata/RHSA-2010-0837.html | ||
| secalert@redhat.com | https://rhn.redhat.com/errata/RHSA-2010-0838.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://secunia.com/advisories/42181 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://securitytracker.com/id?1024697 | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.osvdb.org/69149 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=648882 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://fedorahosted.org/pki/changeset/1261 | Patch | |
| af854a3a-2127-422b-91ae-364da2661108 | https://rhn.redhat.com/errata/RHSA-2010-0837.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://rhn.redhat.com/errata/RHSA-2010-0838.html |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | certificate_system | 7.3 | |
| redhat | certificate_system | 8 | |
| redhat | dogtag_certificate_system | * |
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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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