Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 16.04 LTS: USN-4587-1 Critical: iTALC Denial of Service

ubuntu
Calendar Grey October 21, 2020
Dist Ubuntu Esm H88
Multiple iTALC vulnerabilities were addressed in Ubuntu's update, ensuring system stability and security enhancements.
Several security issues were fixed in iTALC.

Summary

Several security issues were fixed in iTALC.

Software Description:

- italc: didact tool which allows teachers to view and control computer labs

Details:

Nicolas Ruff discovered that iTALC had buffer overflows, divide-by-zero errorsand didn't check malloc return values. A remote attacker could use these issues

to cause a denial of service or possibly execute arbitrary code.

(CVE-2014-6051, CVE-2014-6052, CVE-2014-6053, CVE-2014-6054, CVE-2014-6055)

Josef Gajdusek discovered that iTALC had heap-based buffer overflow

vulnerabilities. A remote attacker could used these issues to cause a denial of

service or possibly execute arbitrary code. (CVE-2016-9941, CVE-2016-9942)

It was discovered that iTALC had an out-of-bounds write, multiple heap

out-of-bounds writes, an infinite loop, improper initializations, and null

pointer vulnerabilities. A remote attacker could used these issues to cause a

denial of service or possibly execute arbitrary code. (CVE-2018-15127,

CVE-2018-20019, CVE-2...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu remote execution iTALC

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
  italc-client                    1:2.0.2+dfsg1-4ubuntu0.1
  italc-master                    1:2.0.2+dfsg1-4ubuntu0.1
  libitalccore                    1:2.0.2+dfsg1-4ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4587-1

CVE-2014-6051, CVE-2014-6052, CVE-2014-6053, CVE-2014-6054,

CVE-2014-6055, CVE-2016-9941, CVE-2016-9942, CVE-2018-15127,

CVE-2018-20019, CVE-2018-20020, CVE-2018-20021, CVE-2018-20022,

CVE-2018-20023, CVE-2018-20024, CVE-2018-20748, CVE-2018-20749,

CVE-2018-20750, CVE-2018-7225, CVE-2019-15681

Severity
critical
Lowest
Low
Medium
High
Critical

October 20, 2020

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu remote execution iTALC

Package Information

https://launchpad.net/ubuntu/+source/italc/1:2.0.2+dfsg1-4ubuntu0.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here