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freebsdFreeBSD3A1DC8C8-BB27-11EC-98D1-D43D7EED0CE2
HistoryApr 12, 2022 - 12:00 a.m.

Subversion -- Multiple vulnerabilities in server code

2022-04-1200:00:00
vuxml.freebsd.org
15
subversion
server code
vulnerabilities
path-based authorization
mod_dav_svn
memory.

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

68.6%

Subversion project reports:

    Subversion servers reveal 'copyfrom' paths that should be hidden according
    to configured path-based authorization (authz) rules.  When a node has been
    copied from a protected location, users with access to the copy can see the
    'copyfrom' path of the original.  This also reveals the fact that the node
    was copied.  Only the 'copyfrom' path is revealed; not its contents. Both
    httpd and svnserve servers are vulnerable.
  



    While looking up path-based authorization rules, mod_dav_svn servers
    may attempt to use memory which has already been freed.

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

68.6%