Multiple integer overflows in ber-decoder.c in Libksba before 1.3.3 allow remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-4355 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Product Security has rated this issue as having moderate security impact, a future update may address this flaw in libksba.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 5.1 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Partial |
| 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 | libksba | Fix deferred |
| Red Hat Enterprise Linux 6 | libksba | Fix deferred |
| Red Hat Enterprise Linux 5 | libksba | Fix deferred |
Vulmon