Common Weakness Enumeration
CWE-203
AllowedObservable Discrepancy
Abstraction: Base · Status: Incomplete
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
835 vulnerabilities reference this CWE, most recent first.
GHSA-974V-C5M7-M9WC
Vulnerability from github – Published: 2024-04-25 18:30 – Updated: 2024-04-25 18:30
VLAI
Details
A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would have to be able to send a large number of trial messages. The vulnerability affects the legacy PKCS#1v1.5 RSA encryption padding mode.
Severity
5.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-2467"
],
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-208"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-25T17:15:49Z",
"severity": "MODERATE"
},
"details": "A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would have to be able to send a large number of trial messages. The vulnerability affects the legacy PKCS#1v1.5 RSA encryption padding mode.",
"id": "GHSA-974v-c5m7-m9wc",
"modified": "2024-04-25T18:30:39Z",
"published": "2024-04-25T18:30:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2467"
},
{
"type": "WEB",
"url": "https://github.com/toddr/Crypt-OpenSSL-RSA/issues/42"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2024-2467"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2269567"
},
{
"type": "WEB",
"url": "https://people.redhat.com/~hkario/marvin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-97GP-82PC-QC6X
Vulnerability from github – Published: 2022-05-13 01:37 – Updated: 2025-04-20 03:49
VLAI
Details
wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as "ROBOT."
Severity
5.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2017-13099"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-12-13T01:29:00Z",
"severity": "MODERATE"
},
"details": "wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as \"ROBOT.\"",
"id": "GHSA-97gp-82pc-qc6x",
"modified": "2025-04-20T03:49:53Z",
"published": "2022-05-13T01:37:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-13099"
},
{
"type": "WEB",
"url": "https://github.com/wolfSSL/wolfssl/pull/1229"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-464260.pdf"
},
{
"type": "WEB",
"url": "https://robotattack.org"
},
{
"type": "WEB",
"url": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-002.txt"
},
{
"type": "WEB",
"url": "http://www.kb.cert.org/vuls/id/144389"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/102174"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-98FG-HP5J-CM68
Vulnerability from github – Published: 2022-05-24 16:57 – Updated: 2025-11-25 18:32
VLAI
Details
Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to only be same-origin. This resulted in potential cross-origin information exposure of history through timing side-channel attacks. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
Severity
{
"affected": [],
"aliases": [
"CVE-2019-11743"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-09-27T18:15:00Z",
"severity": "MODERATE"
},
"details": "Navigation events were not fully adhering to the W3C\u0027s \"Navigation-Timing Level 2\" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to only be same-origin. This resulted in potential cross-origin information exposure of history through timing side-channel attacks. This vulnerability affects Firefox \u003c 69, Thunderbird \u003c 68.1, Thunderbird \u003c 60.9, Firefox ESR \u003c 60.9, and Firefox ESR \u003c 68.1.",
"id": "GHSA-98fg-hp5j-cm68",
"modified": "2025-11-25T18:32:17Z",
"published": "2022-05-24T16:57:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11743"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1560495"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201911-07"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4150-1"
},
{
"type": "WEB",
"url": "https://w3c.github.io/navigation-timing"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2019-25"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2019-26"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2019-27"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2019-29"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2019-30"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-98P8-4MPF-G28Q
Vulnerability from github – Published: 2024-11-13 21:30 – Updated: 2024-11-13 21:30
VLAI
Details
Observable discrepancy in some Intel(R) QAT Engine for OpenSSL software before version v1.6.1 may allow information disclosure via network access.
Severity
{
"affected": [],
"aliases": [
"CVE-2024-28885"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-13T21:15:14Z",
"severity": "HIGH"
},
"details": "Observable discrepancy in some Intel(R) QAT Engine for OpenSSL software before version v1.6.1 may allow information disclosure via network access.",
"id": "GHSA-98p8-4mpf-g28q",
"modified": "2024-11-13T21:30:36Z",
"published": "2024-11-13T21:30:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28885"
},
{
"type": "WEB",
"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01177.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-999G-VPH2-WR2C
Vulnerability from github – Published: 2022-05-24 19:08 – Updated: 2022-12-26 03:30
VLAI
Details
An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.
Severity
4.7 (Medium)
{
"affected": [],
"aliases": [
"CVE-2020-36424"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-07-19T17:15:00Z",
"severity": "MODERATE"
},
"details": "An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.",
"id": "GHSA-999g-vph2-wr2c",
"modified": "2022-12-26T03:30:21Z",
"published": "2022-05-24T19:08:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36424"
},
{
"type": "WEB",
"url": "https://bugs.gentoo.org/740108"
},
{
"type": "WEB",
"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8"
},
{
"type": "WEB",
"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0"
},
{
"type": "WEB",
"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"
},
{
"type": "WEB",
"url": "https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-99WH-FQ8C-C266
Vulnerability from github – Published: 2023-10-30 18:30 – Updated: 2023-11-04 03:30
VLAI
Details
In Package Manager Service, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
Severity
5.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2023-21354"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-10-30T17:15:51Z",
"severity": "MODERATE"
},
"details": "In Package Manager Service, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.",
"id": "GHSA-99wh-fq8c-c266",
"modified": "2023-11-04T03:30:19Z",
"published": "2023-10-30T18:30:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21354"
},
{
"type": "WEB",
"url": "https://source.android.com/docs/security/bulletin/android-14"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-9C7R-V445-C52R
Vulnerability from github – Published: 2022-05-24 16:46 – Updated: 2023-03-24 18:30
VLAI
Details
Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect the browser's UI locale by measuring a button width, even if the user has a "Don't send my language" setting.
Severity
4.3 (Medium)
{
"affected": [],
"aliases": [
"CVE-2019-12383"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-05-28T03:29:00Z",
"severity": "MODERATE"
},
"details": "Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect the browser\u0027s UI locale by measuring a button width, even if the user has a \"Don\u0027t send my language\" setting.",
"id": "GHSA-9c7r-v445-c52r",
"modified": "2023-03-24T18:30:18Z",
"published": "2022-05-24T16:46:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12383"
},
{
"type": "WEB",
"url": "https://hackerone.com/reports/282748"
},
{
"type": "WEB",
"url": "https://gitweb.torproject.org/tor-browser.git/commit/?id=cbb04b72c68272c2de42f157d40cd7d29a6b7b55"
},
{
"type": "WEB",
"url": "https://trac.torproject.org/projects/tor/ticket/24056"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/108484"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-9CCQ-7HVH-CV7P
Vulnerability from github – Published: 2022-05-13 01:03 – Updated: 2022-05-13 01:03
VLAI
Details
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
5.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2019-1559"
],
"database_specific": {
"cwe_ids": [
"CWE-203"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-02-27T23:29:00Z",
"severity": "MODERATE"
},
"details": "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).",
"id": "GHSA-9ccq-7hvh-cv7p",
"modified": "2022-05-13T01:03:06Z",
"published": "2022-05-13T01:03:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1559"
},
{
"type": "WEB",
"url": "https://www.tenable.com/security/tns-2019-03"
},
{
"type": "WEB",
"url": "https://www.tenable.com/security/tns-2019-02"
},
{
"type": "WEB",
"url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpujan2020.html"
},
{
"type": "WEB",
"url": "https://www.openssl.org/news/secadv/20190226.txt"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2019/dsa-4400"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4376-2"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3899-1"
},
{
"type": "WEB",
"url": "https://support.f5.com/csp/article/K18549143?utm_source=f5support\u0026amp;utm_medium=RSS"
},
{
"type": "WEB",
"url": "https://support.f5.com/csp/article/K18549143"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20190423-0002"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20190301-0002"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20190301-0001"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201903-10"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00003.html"
},
{
"type": "WEB",
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10282"
},
{
"type": "WEB",
"url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=e9bbefbf0f24c57645e7ad6a5a71ae649d18ac8e"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:3931"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:3929"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2471"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2439"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2437"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2304"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00041.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00019.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00046.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00047.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00049.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00080.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/107174"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-9F3H-4XVQ-5R5Q
Vulnerability from github – Published: 2022-12-28 21:30 – Updated: 2023-01-06 21:30
VLAI
Details
A vulnerability, which was classified as problematic, was found in InSTEDD Nuntium. Affected is an unknown function of the file app/controllers/geopoll_controller.rb. The manipulation of the argument signature leads to observable timing discrepancy. It is possible to launch the attack remotely. The name of the patch is 77236f7fd71a0e2eefeea07f9866b069d612cf0d. It is recommended to apply a patch to fix this issue. VDB-217002 is the identifier assigned to this vulnerability.
Severity
5.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2022-4823"
],
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-208"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-12-28T21:15:00Z",
"severity": "MODERATE"
},
"details": "A vulnerability, which was classified as problematic, was found in InSTEDD Nuntium. Affected is an unknown function of the file app/controllers/geopoll_controller.rb. The manipulation of the argument signature leads to observable timing discrepancy. It is possible to launch the attack remotely. The name of the patch is 77236f7fd71a0e2eefeea07f9866b069d612cf0d. It is recommended to apply a patch to fix this issue. VDB-217002 is the identifier assigned to this vulnerability.",
"id": "GHSA-9f3h-4xvq-5r5q",
"modified": "2023-01-06T21:30:42Z",
"published": "2022-12-28T21:30:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-4823"
},
{
"type": "WEB",
"url": "https://github.com/instedd/nuntium/commit/77236f7fd71a0e2eefeea07f9866b069d612cf0d"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.217002"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.217002"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-9GRJ-J43M-MJQR
Vulnerability from github – Published: 2022-06-24 00:00 – Updated: 2022-12-05 23:37
VLAI
Summary
Observable timing discrepancy allows determining username validity in Jenkins
Details
In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between login attempts with an invalid username, and login attempts with a valid username and wrong password, when using the Jenkins user database security realm. This allows attackers to determine the validity of attacker-specified usernames.
Login attempts with an invalid username now validate a synthetic password to eliminate the timing discrepancy in Jenkins 2.356, LTS 2.332.4.
Severity
5.3 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.jenkins-ci.main:jenkins-core"
},
"ranges": [
{
"events": [
{
"introduced": "2.334"
},
{
"fixed": "2.356"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.jenkins-ci.main:jenkins-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.332.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2022-34174"
],
"database_specific": {
"cwe_ids": [
"CWE-203",
"CWE-208"
],
"github_reviewed": true,
"github_reviewed_at": "2022-12-05T23:37:15Z",
"nvd_published_at": "2022-06-23T17:15:00Z",
"severity": "MODERATE"
},
"details": "In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between login attempts with an invalid username, and login attempts with a valid username and wrong password, when using the Jenkins user database security realm. This allows attackers to determine the validity of attacker-specified usernames.\n\nLogin attempts with an invalid username now validate a synthetic password to eliminate the timing discrepancy in Jenkins 2.356, LTS 2.332.4.",
"id": "GHSA-9grj-j43m-mjqr",
"modified": "2022-12-05T23:37:15Z",
"published": "2022-06-24T00:00:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-34174"
},
{
"type": "WEB",
"url": "https://github.com/jenkinsci/jenkins/commit/957ef5902f2e40b6358e6d10f12b26f9dbd2f75a"
},
{
"type": "PACKAGE",
"url": "https://github.com/jenkinsci/jenkins"
},
{
"type": "WEB",
"url": "https://www.jenkins.io/security/advisory/2022-06-22/#SECURITY-2566"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "Observable timing discrepancy allows determining username validity in Jenkins"
}
Mitigation MIT-46
Architecture and Design
Strategy: Separation of Privilege
- Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
- Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
Mitigation MIT-39
Implementation
- Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success.
- If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files.
- Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.
CAPEC-189: Black Box Reverse Engineering
An adversary discovers the structure, function, and composition of a type of computer software through black box analysis techniques. 'Black Box' methods involve interacting with the software indirectly, in the absence of direct access to the executable object. Such analysis typically involves interacting with the software at the boundaries of where the software interfaces with a larger execution environment, such as input-output vectors, libraries, or APIs. Black Box Reverse Engineering also refers to gathering physical side effects of a hardware device, such as electromagnetic radiation or sounds.