php-pear: CVE-2020-28948 CVE-2020-28949

Debian Bug report logs - #976108
php-pear: CVE-2020-28948 CVE-2020-28949

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: php-pear: CVE-2020-28948 CVE-2020-28949

Date: Sun, 29 Nov 2020 20:47:43 +0100

Source: php-pear
Version: 1:1.10.9+submodules+notgz-1
Severity: grave
Tags: security upstream
Justification: user security hole
Forwarded: https://github.com/pear/Archive_Tar/issues/33
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 1:1.10.6+submodules+notgz-1.1

Hi,

The following vulnerabilities were published for php-pear.

CVE-2020-28948[0]:
| Archive_Tar through 1.4.10 allows an unserialization attack because
| phar: is blocked but PHAR: is not blocked.


CVE-2020-28949[1]:
| Archive_Tar through 1.4.10 has :// filename sanitization only to
| address phar attacks, and thus any other stream-wrapper attack (such
| as file:// to overwrite files) can still succeed.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-28948
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28948
[1] https://security-tracker.debian.org/tracker/CVE-2020-28949
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28949
[2] https://github.com/pear/Archive_Tar/issues/33
[3] https://github.com/pear/Archive_Tar/commit/0670a05fdab997036a3fc3ef113b8f5922e574da

Regards,
Salvatore

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