Use-after-free in libical - CVE-2016-5824
Published: January 30, 2019
Vulnerability identifier: #VU17266
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2016-5824
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libical
Affected software:
libical
libical
Detailed vulnerability description
The vulnerability allows a remote attacker to perform denial of service attack.
The vulnerability exists due to a use-after-free error when processing ics Calendar files. A remote attackers can trick the victim to open a specially crafted calendar file, trigger user-after-free error and crash the affected application.
How to mitigate CVE-2016-5824
Install update from vendor's website.
Sources
- http://www.openwall.com/lists/oss-security/2016/06/25/4
- http://www.openwall.com/lists/oss-security/2017/01/20/16
- https://bugzilla.mozilla.org/show_bug.cgi?id=1275400
- https://github.com/libical/libical/issues/235
- https://github.com/libical/libical/issues/251
- https://github.com/libical/libical/issues/286