CVE-2012-1889

Microsoft XML Core Services: Memory Corruption

As of , CVE-2012-1889 in Microsoft XML Core Services is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 8 June 2022
US federal deadline
22 June 202214 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.84Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.92 on 8 June 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module and 1 Exploit-DB entry (1 verified)
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 contains a memory corruption vulnerability which could allow for remote code execution.

CISA's description

Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

The CVE record's description, from microsoft

CVE published
13 June 2012
Assigned by
microsoft
CVSS
8.8 High (CVSS 3.1, from CISA-ADP)
CWE-787
Out-of-bounds Write
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. Exploit-DB published an exploit (EDB-ID 19186).
  3. CISA added it to its list of exploited vulnerabilities.
  4. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

XML Core Services: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2017-0022Information DisclosureMicrosoft XML Core ServicesPatch soon0.18

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