Vulnerability from csaf_suse
Published
2024-04-09 16:08
Modified
2024-04-09 16:08
Summary
Security update for gnutls

Notes

Title of the patch
Security update for gnutls
Description of the patch
This update for gnutls fixes the following issues: Security issues fixed: - CVE-2023-0361: Fixed a Bleichenbacher oracle in the TLS RSA key exchange (bsc#1208143). - CVE-2023-5981: Fixed timing side-channel inside RSA-PSK key exchange (bsc#1217277). - CVE-2024-0567: Fixed an incorrect rejection of certificate chains with distributed trust (bsc#1218862). - CVE-2024-0553: Fixed a timing attack against the RSA-PSK key exchange, which could lead to the leakage of sensitive data (bsc#1218865). FIPS 140-3 certification related bugs fixed: - FIPS: Set error state when jent init failed in FIPS mode (bsc#1202146) - FIPS: Make XTS key check failure not fatal (bsc#1203779) - FIPS: Added GnuTLS DH/ECDH pairwise consistency check for public key regeneration [bsc#1207183] - FIPS: Change all the 140-2 references to FIPS 140-3 in order to account for the new FIPS certification [bsc#1207346] - FIPS: Make the jitterentropy calls thread-safe (bsc#1208146). - FIPS: GnuTLS DH/ECDH PCT public key regeneration (bsc#1207183). - FIPS: Fix pct_test() return code in case of error (bsc#1207183) - FIPS: Establish PBKDF2 additional requirements [bsc#1209001] * Set the minimum output key length to 112 bits (FIPS 140-3 IG D.N) * Set the minimum salt length to 128 bits (SP 800-132 sec. 5.1) * Set the minimum iterations count to 1000 (SP 800-132 sec 5.2) * Set the minimum passlen of 20 characters (SP SP800-132 sec 5) * Add regression tests for the new PBKDF2 requirements. Other issues fixed: - Fix AVX CPU feature detection for OSXSAVE (bsc#1203299) This fixes a SIGILL termination at the verzoupper instruction when trying to run GnuTLS on a Linux kernel with the noxsave command line parameter set. Relevant mostly for virtual systems. - Increase the limit of TLS PSK usernames from 128 to 65535 characters. [bsc#1208237, jsc#PED-1562]
Patchnames
SUSE-2024-1179,SUSE-SLE-Micro-5.3-2024-1179
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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            text: "\nThis update for gnutls fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2023-0361: Fixed a Bleichenbacher oracle in the TLS RSA key exchange (bsc#1208143).\n- CVE-2023-5981: Fixed timing side-channel inside RSA-PSK key exchange (bsc#1217277).\n- CVE-2024-0567: Fixed an incorrect rejection of certificate chains\n  with distributed trust (bsc#1218862).\n- CVE-2024-0553: Fixed a timing attack against the RSA-PSK key\n  exchange, which could lead to the leakage of sensitive data\n  (bsc#1218865).\n\nFIPS 140-3 certification related bugs fixed:\n\n- FIPS: Set error state when jent init failed in FIPS mode (bsc#1202146)\n- FIPS: Make XTS key check failure not fatal (bsc#1203779)\n- FIPS: Added GnuTLS DH/ECDH pairwise consistency check for public key regeneration [bsc#1207183]\n- FIPS: Change all the 140-2 references to FIPS 140-3 in order to account for the new FIPS certification [bsc#1207346]\n- FIPS: Make the jitterentropy calls thread-safe (bsc#1208146).\n- FIPS: GnuTLS DH/ECDH PCT public key regeneration (bsc#1207183).\n- FIPS: Fix pct_test() return code in case of error (bsc#1207183)\n- FIPS: Establish PBKDF2 additional requirements [bsc#1209001]\n\n  * Set the minimum output key length to 112 bits (FIPS 140-3 IG D.N)\n  * Set the minimum salt length to 128 bits (SP 800-132 sec. 5.1)\n  * Set the minimum iterations count to 1000 (SP 800-132 sec 5.2)\n  * Set the minimum passlen of 20 characters (SP SP800-132 sec 5)\n  * Add regression tests for the new PBKDF2 requirements.\n\nOther issues fixed:\n\n- Fix AVX CPU feature detection for OSXSAVE (bsc#1203299)\n  This fixes a SIGILL termination at the verzoupper instruction when\n  trying to run GnuTLS on a Linux kernel with the noxsave command\n  line parameter set. Relevant mostly for virtual systems.\n- Increase the limit of TLS PSK usernames from 128 to 65535 characters. [bsc#1208237, jsc#PED-1562]\n",
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            category: "default_component_of",
            full_product_name: {
               name: "libgnutls30-3.7.3-150400.1.3.1.aarch64 as component of SUSE Linux Enterprise Micro 5.3",
               product_id: "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
            },
            product_reference: "libgnutls30-3.7.3-150400.1.3.1.aarch64",
            relates_to_product_reference: "SUSE Linux Enterprise Micro 5.3",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libgnutls30-3.7.3-150400.1.3.1.s390x as component of SUSE Linux Enterprise Micro 5.3",
               product_id: "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.s390x",
            },
            product_reference: "libgnutls30-3.7.3-150400.1.3.1.s390x",
            relates_to_product_reference: "SUSE Linux Enterprise Micro 5.3",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libgnutls30-3.7.3-150400.1.3.1.x86_64 as component of SUSE Linux Enterprise Micro 5.3",
               product_id: "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.x86_64",
            },
            product_reference: "libgnutls30-3.7.3-150400.1.3.1.x86_64",
            relates_to_product_reference: "SUSE Linux Enterprise Micro 5.3",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64 as component of SUSE Linux Enterprise Micro 5.3",
               product_id: "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64",
            },
            product_reference: "libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64",
            relates_to_product_reference: "SUSE Linux Enterprise Micro 5.3",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libgnutls30-hmac-3.7.3-150400.1.3.1.s390x as component of SUSE Linux Enterprise Micro 5.3",
               product_id: "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
            },
            product_reference: "libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
            relates_to_product_reference: "SUSE Linux Enterprise Micro 5.3",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64 as component of SUSE Linux Enterprise Micro 5.3",
               product_id: "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
            },
            product_reference: "libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
            relates_to_product_reference: "SUSE Linux Enterprise Micro 5.3",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2023-0361",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2023-0361",
            },
         ],
         notes: [
            {
               category: "general",
               text: "A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attacker would need to send a large amount of specially crafted messages to the vulnerable server. By recovering the secret from the ClientKeyExchange message, the attacker would be able to decrypt the application data exchanged over that connection.",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
               "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
               "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
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               "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
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               "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
               "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
            ],
         },
         references: [
            {
               category: "external",
               summary: "CVE-2023-0361",
               url: "https://www.suse.com/security/cve/CVE-2023-0361",
            },
            {
               category: "external",
               summary: "SUSE Bug 1208143 for CVE-2023-0361",
               url: "https://bugzilla.suse.com/1208143",
            },
         ],
         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",
               product_ids: [
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 5.9,
                  baseSeverity: "MEDIUM",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  version: "3.1",
               },
               products: [
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
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                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.x86_64",
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                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
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         ],
         threats: [
            {
               category: "impact",
               date: "2024-04-09T16:08:45Z",
               details: "moderate",
            },
         ],
         title: "CVE-2023-0361",
      },
      {
         cve: "CVE-2023-5981",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2023-5981",
            },
         ],
         notes: [
            {
               category: "general",
               text: "A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.",
               title: "CVE description",
            },
         ],
         product_status: {
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               "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
            ],
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         references: [
            {
               category: "external",
               summary: "CVE-2023-5981",
               url: "https://www.suse.com/security/cve/CVE-2023-5981",
            },
            {
               category: "external",
               summary: "SUSE Bug 1217277 for CVE-2023-5981",
               url: "https://bugzilla.suse.com/1217277",
            },
            {
               category: "external",
               summary: "SUSE Bug 1218865 for CVE-2023-5981",
               url: "https://bugzilla.suse.com/1218865",
            },
         ],
         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",
               product_ids: [
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
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                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 5.9,
                  baseSeverity: "MEDIUM",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
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               },
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                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.x86_64",
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         ],
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            {
               category: "impact",
               date: "2024-04-09T16:08:45Z",
               details: "moderate",
            },
         ],
         title: "CVE-2023-5981",
      },
      {
         cve: "CVE-2024-0553",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2024-0553",
            },
         ],
         notes: [
            {
               category: "general",
               text: "A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.",
               title: "CVE description",
            },
         ],
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            {
               category: "external",
               summary: "CVE-2024-0553",
               url: "https://www.suse.com/security/cve/CVE-2024-0553",
            },
            {
               category: "external",
               summary: "SUSE Bug 1218865 for CVE-2024-0553",
               url: "https://bugzilla.suse.com/1218865",
            },
         ],
         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: 5.9,
                  baseSeverity: "MEDIUM",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  version: "3.1",
               },
               products: [
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64",
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                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
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         ],
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            {
               category: "impact",
               date: "2024-04-09T16:08:45Z",
               details: "moderate",
            },
         ],
         title: "CVE-2024-0553",
      },
      {
         cve: "CVE-2024-0567",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2024-0567",
            },
         ],
         notes: [
            {
               category: "general",
               text: "A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.",
               title: "CVE description",
            },
         ],
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            {
               category: "external",
               summary: "CVE-2024-0567",
               url: "https://www.suse.com/security/cve/CVE-2024-0567",
            },
            {
               category: "external",
               summary: "SUSE Bug 1218862 for CVE-2024-0567",
               url: "https://bugzilla.suse.com/1218862",
            },
         ],
         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",
               product_ids: [
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 5.9,
                  baseSeverity: "MEDIUM",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               products: [
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:gnutls-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-3.7.3-150400.1.3.1.x86_64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.aarch64",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.s390x",
                  "SUSE Linux Enterprise Micro 5.3:libgnutls30-hmac-3.7.3-150400.1.3.1.x86_64",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2024-04-09T16:08:45Z",
               details: "moderate",
            },
         ],
         title: "CVE-2024-0567",
      },
   ],
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



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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.