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Multiple Vulnerabilities in Adobe Acrobat and Reader Could Allow for Arbitrary Code Execution (APSB19-07)

MS-ISAC ADVISORY NUMBER:

2019-019

DATE(S) ISSUED:

02/12/2019

OVERVIEW:

Multiple vulnerabilities have been discovered in Adobe Acrobat and Adobe Reader, the most severe of which could allow for arbitrary code execution. Adobe Acrobat and Reader allow a user to view, create, manipulate, print and manage files in Portable Document Format (PDF). Successful exploitation of the most severe of these vulnerabilities could result in the attacker gaining control of the affected system. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. If this application has been configured to have fewer user rights on the system, exploitation of the most severe of these vulnerabilities could have less impact than if it was configured with administrative rights.

THREAT INTELLIGENCE:

There are no reports of these vulnerabilities being exploited in the wild.

SYSTEMS AFFECTED:

  • Acrobat DC (Continuous Track) for Windows and macOS version 2019.010.20069 and prior
  • Acrobat Reader DC (Continuous Track) for Windows and macOS version 2019.010.20069 and prior
  • Acrobat 2017 (Classic 2017 Track) for Windows and macOS version 2017.011.30113 and prior
  • Acrobat Reader DC 2017 (Classic 2017 Track) for Windows and macOS version 2017.011.30113 and prior
  • Acrobat DC (Classic 2015 Track) for Windows and macOS version 2015.006.30464 and prior
  • Acrobat Reader DC (Classic 2015 Track) for Windows and macOS version 2015.006.30464 and prior

RISK:

Government:
  • Large and medium government entities: HIGH
  • Small government entities: MEDIUM
Businesses:
  • Large and medium business entities: HIGH
  • Small business entities: MEDIUM
Home Users:
LOW

TECHNICAL SUMMARY:

Multiple vulnerabilities have been discovered in Adobe Acrobat and Adobe Reader, the most severe of which could allow for arbitrary code execution. The vulnerabilities are as follows:

  • Multiple buffer errors vulnerabilities that could allow for arbitrary code execution (CVE-2019-7020, CVE-2019-7085)
  • A data leakage(sensitive) vulnerability that could allow for Information Disclosure (CVE-2019-7089)
  • A Double Free vulnerability that could allow for arbitrary code execution (CVE-2019-7080)
  • A integer overflow vulnerability that could allow for information disclosure (CVE-2019-7030)
  • Multiple Out-of-Bounds Read vulnerabilities that could allow for information disclosure (CVE-2019-7021, CVE-2019-7022, CVE-2019-7023, CVE-2019-7024, CVE-2019-7028, CVE-2019-7032, CVE-2019-7033, CVE-2019-7034, CVE-2019-7035, CVE-2019-7036, CVE-2019-7038, CVE-2019-7045, CVE-2019-7047, CVE-2019-7049, CVE-2019-7053, CVE-2019-7055, CVE-2019-7056, CVE-2019-7057, CVE-2019-7058, CVE-2019-7059, CVE-2019-7063, CVE-2019-7064, CVE-2019-7065, CVE-2019-7067, CVE-2019-7071, CVE-2019-7073, CVE-2019-7074 , CVE-2019-7081)
  • Multiple security bypass vulnerabilities that could allow for privilege escalation (CVE-2018-19725, CVE-2019-7041)
  • Multiple out-of-bounds write vulnerabilities that could allow for arbitrary code execution (CVE-2019-7019, CVE-2019-7027, CVE-2019-7037, CVE-2019-7039, CVE-2019-7052, CVE-2019-7060, CVE-2019-7079)
  • Multiple type confusion vulnerabilities that could allow for arbitrary code execution (CVE-2019-7069, CVE-2019-7086, CVE-2019-7087)
  • Multiple untrusted pointer dereference vulnerabilities that could allow for arbitrary code execution (CVE-2019-7042, CVE-2019-7046, CVE-2019-7051, CVE-2019-7054, CVE-2019-7066, CVE-2019-7076)
  • Multiple use after free vulnerabilities that could allow for arbitrary code execution (CVE-2019-7018, CVE-2019-7025 , CVE-2019-7026, CVE-2019-7029 , CVE-2019-7031, CVE-2019-7040 , CVE-2019-7043, CVE-2019-7044 , CVE-2019-7048, CVE-2019-7050 , CVE-2019-7062, CVE-2019-7068 , CVE-2019-7070, CVE-2019-7072 , CVE-2019-7075, CVE-2019-7077 , CVE-2019-7078, CVE-2019-7082 , CVE-2019-7083, CVE-2019-7084)

Successful exploitation of the most severe of these vulnerabilities could result in the attacker gaining control of the affected system. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. If this application has been configured to have fewer user rights on the system, exploitation of the most severe of these vulnerabilities could have less impact than if it was configured with administrative rights.

RECOMMENDATIONS:

We recommend the following actions be taken:

  • Install the updates provided by Adobe immediately after appropriate testing.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
  • Remind users not to visit websites or follow links provided by unknown or untrusted sources.
  • Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments especially from un-trusted sources.
  • Apply the Principle of Least Privilege to all systems and services.

REFERENCES:

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19725 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7018 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7019 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7020 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7021 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7022 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7023 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7024 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7025 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7026 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7027 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7028 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7029 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7030 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7031 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7032 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7033 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7034 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7035 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7036 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7037 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7038 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7039 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7040 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7041 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7042 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7043 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7044 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7045 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7046 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7047 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7048 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7049 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7050 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7051 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7052 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7053 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7054 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7055 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7056 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7057 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7058 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7059 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7060 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7062 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7063 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7064 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7065 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7066 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7067 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7068 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7069 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7070 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7071 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7072 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7073 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7074 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7075 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7076 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7077 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7078 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7079 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7080 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7081 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7082 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7083 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7084 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7085 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7086 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7087 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7089

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