suse-su-2020:1682-2
Vulnerability from csaf_suse
Published
2020-07-07 11:43
Modified
2020-07-07 11:43
Summary
Security update for perl

Notes

Title of the patch
Security update for perl
Description of the patch
This update for perl fixes the following issues: - CVE-2020-10543: Fixed a heap buffer overflow in regular expression compiler which could have allowed overwriting of allocated memory with attacker's data (bsc#1171863). - CVE-2020-10878: Fixed multiple integer overflows which could have allowed the insertion of instructions into the compiled form of Perl regular expression (bsc#1171864). - CVE-2020-12723: Fixed an attacker's corruption of the intermediate language state of a compiled regular expression (bsc#1171866). - Fixed a bad warning in features.ph (bsc#1172348).
Patchnames
SUSE-2020-1682,SUSE-SLE-Module-Packagehub-Subpackages-15-SP1-2020-1682
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": "important"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
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        "title": "Title of the patch"
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        "category": "description",
        "text": "This update for perl fixes the following issues:\n\n- CVE-2020-10543: Fixed a heap buffer overflow in regular expression compiler which could have \n  allowed overwriting of allocated memory with attacker\u0027s data (bsc#1171863).\n- CVE-2020-10878: Fixed multiple integer overflows which could have allowed the insertion of \n  instructions into the compiled form of Perl regular expression (bsc#1171864).\n- CVE-2020-12723: Fixed an attacker\u0027s corruption of the intermediate language state of a \n  compiled regular expression (bsc#1171866).\n- Fixed a bad warning in features.ph (bsc#1172348).\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
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  "vulnerabilities": [
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      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-10543"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.",
          "title": "CVE description"
        }
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          "summary": "SUSE Bug 1171863 for CVE-2020-10543",
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        }
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          "text": "https://www.suse.com/security/cve/CVE-2020-10878"
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      ],
      "notes": [
        {
          "category": "general",
          "text": "Perl before 5.30.3 has an integer overflow related to mishandling of a \"PL_regkind[OP(n)] == NOTHING\" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.",
          "title": "CVE description"
        }
      ],
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        {
          "category": "general",
          "text": "regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.",
          "title": "CVE description"
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      ],
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            "version": "3.1"
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      "title": "CVE-2020-12723"
    }
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}


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