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CVE-2017-7375

Publication date 21 June 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

A flaw in libxml2 allows remote XML entity inclusion with default parser flags (i.e., when the caller did not request entity substitution, DTD validation, external DTD subset loading, or default DTD attributes). Depending on the context, this may expose a higher-risk attack surface in libxml2 not usually reachable with default parser flags, and expose content from local files, HTTP, or FTP servers (which might be otherwise unreachable).

Status

Package Ubuntu Release Status
libxml2 17.04 zesty
Fixed 2.9.4+dfsg1-2.2ubuntu0.1
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 2.9.3+dfsg1-1ubuntu0.3
14.04 LTS trusty
Fixed 2.9.1+dfsg1-3ubuntu4.10

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libxml2

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3424-1
    • libxml2 vulnerabilities
    • 19 September 2017
    • USN-3424-2
    • libxml2 vulnerabilities
    • 10 October 2017

Other references