Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the section_offset variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-8078 from the MITRE CVE dictionary dictionary and NIST NVD.
Not vulnerable. This issue did not affect the versions of cyrus-imapd as shipped with Red Hat Enterprise Linux 5, 6 and 7, as they did not include the patch to fix CVE-2015-8076, which introduced the CVE-2015-8078 issue.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 5.8 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:N/I:P/A:P |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | Partial |
Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | cyrus-imapd | Not affected |
Red Hat Enterprise Linux 6 | cyrus-imapd | Not affected |
Red Hat Enterprise Linux 5 | cyrus-imapd | Not affected |