CVE-2017-0022

Microsoft XML Core Services: Information Disclosure

As of , CVE-2017-0022 in Microsoft XML Core Services is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 24 May 2022
US federal deadline
14 June 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.18Higher than 97% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.15 on 24 May 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Microsoft XML Core Services (MSXML) improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site.

CISA's description

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and R2; Windows Server 2016; and Windows Vista SP2 improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site, aka "Microsoft XML Information Disclosure Vulnerability."

The CVE record's description, from microsoft

CVE published
17 March 2017
Assigned by
microsoft
CVSS
6.5 Medium (CVSS 3.1, from CISA-ADP)
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

XML Core Services: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2012-1889Memory CorruptionMicrosoft XML Core ServicesPatch this weekMetasploit module; EPSS 0.84; verified Exploit-DB entry0.84

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