https://bugzilla.suse.com/show_bug.cgi?id=1215784 Bug ID: 1215784 Summary: VUL-0: CVE-2023-42114: exim: NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.6 Hardware: Other URL: https://smash.suse.de/issue/380213/ OS: Other Status: NEW Severity: Minor Priority: P5 - None Component: Security Assignee: wullinger@rz.uni-kiel.de Reporter: smash_bz@suse.de QA Contact: security-team@suse.de CC: abergmann@suse.com Target Milestone: --- Found By: Security Response Team Blocker: --- This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to disclose information in the context of the service account. 06/06/22 – ZDI requested a PSIRT contact. 06/14/22 – ZDI reported the vulnerability to the vendor. 04/25/23 – ZDI asked for an update. 04/25/23 – The vendor asked us to re-send the reports. 05/10/23 – ZDI sent the vulnerability to the vendor. 09/25/23 – ZDI asked for an update and informed the vendor that we intend to publish the case as a zero-day advisory on 09/27/23. -- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-42114 -- You are receiving this mail because: You are on the CC list for the bug.