Vulnerability from csaf_suse
Published
2024-08-05 19:57
Modified
2024-08-05 19:57
Summary
Security update for ksh

Notes

Title of the patch
Security update for ksh
Description of the patch
This update for ksh fixes the following issues: - CVE-2019-14868: Fixed code injection due to environment variables on startup interpreted as arithmetic expression (bsc#1160796) Other fixes: - do not use posix_spawn as it lacks proper job handling (bsc#1224057) - fix segfault in variable substitution (bsc#1129288)
Patchnames
SUSE-2024-2756,SUSE-SLE-Module-Legacy-12-2024-2756,SUSE-SLE-SDK-12-SP5-2024-2756
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 

{
   document: {
      aggregate_severity: {
         namespace: "https://www.suse.com/support/security/rating/",
         text: "important",
      },
      category: "csaf_security_advisory",
      csaf_version: "2.0",
      distribution: {
         text: "Copyright 2024 SUSE LLC. All rights reserved.",
         tlp: {
            label: "WHITE",
            url: "https://www.first.org/tlp/",
         },
      },
      lang: "en",
      notes: [
         {
            category: "summary",
            text: "Security update for ksh",
            title: "Title of the patch",
         },
         {
            category: "description",
            text: "This update for ksh fixes the following issues:\n\n- CVE-2019-14868: Fixed code injection due to environment variables on startup interpreted as arithmetic expression (bsc#1160796)\n    \nOther fixes:\n- do not use posix_spawn as it lacks proper job handling (bsc#1224057)\n- fix segfault in variable substitution (bsc#1129288)\n",
            title: "Description of the patch",
         },
         {
            category: "details",
            text: "SUSE-2024-2756,SUSE-SLE-Module-Legacy-12-2024-2756,SUSE-SLE-SDK-12-SP5-2024-2756",
            title: "Patchnames",
         },
         {
            category: "legal_disclaimer",
            text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
            title: "Terms of use",
         },
      ],
      publisher: {
         category: "vendor",
         contact_details: "https://www.suse.com/support/security/contact/",
         name: "SUSE Product Security Team",
         namespace: "https://www.suse.com/",
      },
      references: [
         {
            category: "external",
            summary: "SUSE ratings",
            url: "https://www.suse.com/support/security/rating/",
         },
         {
            category: "self",
            summary: "URL of this CSAF notice",
            url: "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2024_2756-1.json",
         },
         {
            category: "self",
            summary: "URL for SUSE-SU-2024:2756-1",
            url: "https://www.suse.com/support/update/announcement/2024/suse-su-20242756-1/",
         },
         {
            category: "self",
            summary: "E-Mail link for SUSE-SU-2024:2756-1",
            url: "https://lists.suse.com/pipermail/sle-updates/2024-August/036291.html",
         },
         {
            category: "self",
            summary: "SUSE Bug 1129288",
            url: "https://bugzilla.suse.com/1129288",
         },
         {
            category: "self",
            summary: "SUSE Bug 1160796",
            url: "https://bugzilla.suse.com/1160796",
         },
         {
            category: "self",
            summary: "SUSE Bug 1224057",
            url: "https://bugzilla.suse.com/1224057",
         },
         {
            category: "self",
            summary: "SUSE CVE CVE-2019-14868 page",
            url: "https://www.suse.com/security/cve/CVE-2019-14868/",
         },
      ],
      title: "Security update for ksh",
      tracking: {
         current_release_date: "2024-08-05T19:57:56Z",
         generator: {
            date: "2024-08-05T19:57:56Z",
            engine: {
               name: "cve-database.git:bin/generate-csaf.pl",
               version: "1",
            },
         },
         id: "SUSE-SU-2024:2756-1",
         initial_release_date: "2024-08-05T19:57:56Z",
         revision_history: [
            {
               date: "2024-08-05T19:57:56Z",
               number: "1",
               summary: "Current version",
            },
         ],
         status: "final",
         version: "1",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  branches: [
                     {
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                        name: "ksh-93vu-19.3.2.aarch64",
                        product: {
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                        name: "SUSE Linux Enterprise Module for Legacy 12",
                        product: {
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                           product_id: "SUSE Linux Enterprise Module for Legacy 12",
                           product_identification_helper: {
                              cpe: "cpe:/o:suse:sle-module-legacy:12",
                           },
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                     },
                     {
                        category: "product_name",
                        name: "SUSE Linux Enterprise Software Development Kit 12 SP5",
                        product: {
                           name: "SUSE Linux Enterprise Software Development Kit 12 SP5",
                           product_id: "SUSE Linux Enterprise Software Development Kit 12 SP5",
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            category: "vendor",
            name: "SUSE",
         },
      ],
      relationships: [
         {
            category: "default_component_of",
            full_product_name: {
               name: "ksh-93vu-19.3.2.aarch64 as component of SUSE Linux Enterprise Module for Legacy 12",
               product_id: "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.aarch64",
            },
            product_reference: "ksh-93vu-19.3.2.aarch64",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Legacy 12",
         },
         {
            category: "default_component_of",
            full_product_name: {
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            },
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            relates_to_product_reference: "SUSE Linux Enterprise Module for Legacy 12",
         },
         {
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            },
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            relates_to_product_reference: "SUSE Linux Enterprise Module for Legacy 12",
         },
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            },
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            relates_to_product_reference: "SUSE Linux Enterprise Software Development Kit 12 SP5",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "ksh-devel-93vu-19.3.2.ppc64le as component of SUSE Linux Enterprise Software Development Kit 12 SP5",
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            },
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            relates_to_product_reference: "SUSE Linux Enterprise Software Development Kit 12 SP5",
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            relates_to_product_reference: "SUSE Linux Enterprise Software Development Kit 12 SP5",
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   vulnerabilities: [
      {
         cve: "CVE-2019-14868",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2019-14868",
            },
         ],
         notes: [
            {
               category: "general",
               text: "In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those environment variables could allow them to exploit this issue remotely.",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
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               "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.ppc64le",
               "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.s390x",
               "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.x86_64",
               "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.aarch64",
               "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.ppc64le",
               "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.s390x",
               "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.x86_64",
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         },
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               summary: "CVE-2019-14868",
               url: "https://www.suse.com/security/cve/CVE-2019-14868",
            },
            {
               category: "external",
               summary: "SUSE Bug 1160796 for CVE-2019-14868",
               url: "https://bugzilla.suse.com/1160796",
            },
         ],
         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 Module for Legacy 12:ksh-93vu-19.3.2.aarch64",
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.ppc64le",
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.s390x",
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.x86_64",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.aarch64",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.ppc64le",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.s390x",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 7,
                  baseSeverity: "HIGH",
                  vectorString: "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               products: [
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.aarch64",
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.ppc64le",
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.s390x",
                  "SUSE Linux Enterprise Module for Legacy 12:ksh-93vu-19.3.2.x86_64",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.aarch64",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.ppc64le",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.s390x",
                  "SUSE Linux Enterprise Software Development Kit 12 SP5:ksh-devel-93vu-19.3.2.x86_64",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2024-08-05T19:57:56Z",
               details: "moderate",
            },
         ],
         title: "CVE-2019-14868",
      },
   ],
}


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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.
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  • 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.