Package: wordpress X-Debbugs-CC: [email protected] [email protected] Severity: important Tags: security
Hi, the following vulnerability was published for wordpress. CVE-2017-8295[0]: | WordPress through 4.7.4 relies on the Host HTTP header for a | password-reset e-mail message, which makes it easier for remote | attackers to reset arbitrary passwords by making a crafted | wp-login.php?action=lostpassword request and then arranging for this | message to bounce or be resent, leading to transmission of the reset | key to a mailbox on an attacker-controlled SMTP server. This is | related to problematic use of the SERVER_NAME variable in | wp-includes/pluggable.php in conjunction with the PHP mail function. | Exploitation is not achievable in all cases because it requires at | least one of the following: (1) the attacker can prevent the victim | from receiving any e-mail messages for an extended period of time | (such as 5 days), (2) the victim's e-mail system sends an autoresponse | containing the original message, or (3) the victim manually composes a | reply containing the original message. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. No official patch has been published yet but there is an interesting assessment at http://blog.dewhurstsecurity.com/2017/05/04/exploitbox-wordpress-security-advisories.html I think it makes sense to wait for an official Wordpress response but we could also try to avoid the SERVER_NAME variable in this case. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2017-8295 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8295 Please adjust the affected versions in the BTS as needed.
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