suse-su-2018:1562-2
Vulnerability from csaf_suse
Published
2018-10-18 12:46
Modified
2018-10-18 12:46
Summary
Security update for glibc

Notes

Title of the patch
Security update for glibc
Description of the patch
This update for glibc fixes the following issues: - CVE-2017-18269: Fix SSE2 memmove issue when crossing 2GB boundary (bsc#1094150) - CVE-2018-11236: Fix overflow in path length computation (bsc#1094161) - CVE-2018-11237: Don't write beyond buffer destination in __mempcpy_avx512_no_vzeroupper (bsc#1094154) Non security bugs fixed: - Fix crash in resolver on memory allocation failure (bsc#1086690)
Patchnames
SUSE-SLE-SERVER-12-SP2-BCL-2018-1077
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": "An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution.",
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          "summary": "CVE-2017-18269",
          "url": "https://www.suse.com/security/cve/CVE-2017-18269"
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          "summary": "SUSE Bug 1094150 for CVE-2017-18269",
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          "summary": "SUSE Bug 1118435 for CVE-2017-18269",
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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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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
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          "text": "stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.",
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          "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-i18ndata-2.22-62.13.2.noarch",
          "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-info-2.22-62.13.2.noarch",
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      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-11236",
          "url": "https://www.suse.com/security/cve/CVE-2018-11236"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1094161 for CVE-2018-11236",
          "url": "https://bugzilla.suse.com/1094161"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1110160 for CVE-2018-11236",
          "url": "https://bugzilla.suse.com/1110160"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1118435 for CVE-2018-11236",
          "url": "https://bugzilla.suse.com/1118435"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1123874 for CVE-2018-11236",
          "url": "https://bugzilla.suse.com/1123874"
        }
      ],
      "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 Server 12 SP2-BCL:glibc-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-32bit-2.22-62.13.2.x86_64",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-html-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-i18ndata-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-info-2.22-62.13.2.noarch",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:nscd-2.22-62.13.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-2.22-62.13.2.x86_64",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-html-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-i18ndata-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-info-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-locale-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-locale-32bit-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-profile-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-profile-32bit-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:nscd-2.22-62.13.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-10-18T12:46:04Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-11236"
    },
    {
      "cve": "CVE-2018-11237",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-11237"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-2.22-62.13.2.x86_64",
          "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-32bit-2.22-62.13.2.x86_64",
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          "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-info-2.22-62.13.2.noarch",
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-11237",
          "url": "https://www.suse.com/security/cve/CVE-2018-11237"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1092877 for CVE-2018-11237",
          "url": "https://bugzilla.suse.com/1092877"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1094154 for CVE-2018-11237",
          "url": "https://bugzilla.suse.com/1094154"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1118435 for CVE-2018-11237",
          "url": "https://bugzilla.suse.com/1118435"
        }
      ],
      "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 Server 12 SP2-BCL:glibc-2.22-62.13.2.x86_64",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-info-2.22-62.13.2.noarch",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:nscd-2.22-62.13.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-32bit-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-devel-32bit-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-html-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-i18ndata-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-info-2.22-62.13.2.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-locale-2.22-62.13.2.x86_64",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:glibc-profile-32bit-2.22-62.13.2.x86_64",
            "SUSE Linux Enterprise Server 12 SP2-BCL:nscd-2.22-62.13.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-10-18T12:46:04Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-11237"
    }
  ]
}


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