high7.5
CVE-2016-4574
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-o…
Impact
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnupg | Libksba | through 1.3.3 |
| Canonical | Ubuntu Linux | Versions 12.04, 14.04, 15.10, 16.04 |
| Opensuse | Leap | Version 42.1 |
| Opensuse | Opensuse | Version 13.2 |
Weakness classification
References
- NVD record
- CVE.org record
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
- http://www.openwall.com/lists/oss-security/2016/05/10/3
- http://www.openwall.com/lists/oss-security/2016/05/10/4
- http://www.ubuntu.com/usn/USN-2982-1
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
- http://www.openwall.com/lists/oss-security/2016/05/10/3
- http://www.openwall.com/lists/oss-security/2016/05/10/4
- http://www.ubuntu.com/usn/USN-2982-1