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freebsdFreeBSDDEC7E4B6-961A-11EB-9C34-080027F515EA
HistoryApr 05, 2021 - 12:00 a.m.

ruby -- XML round-trip vulnerability in REXML

2021-04-0500:00:00
vuxml.freebsd.org
30

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.001 Low

EPSS

Percentile

43.1%

Juho Nurminen reports:

    When parsing and serializing a crafted XML document, REXML gem
    (including the one bundled with Ruby) can create a wrong XML
    document whose structure is different from the original one.
    The impact of this issue highly depends on context, but it may
    lead to a vulnerability in some programs that are using REXML.
OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchruby= 2.5.0,1UNKNOWN
FreeBSDanynoarchruby< 2.5.9,1UNKNOWN
FreeBSDanynoarchrubygem-rexml< 3.2.5UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.001 Low

EPSS

Percentile

43.1%