CVE-2015-5309 Integer overflow in n/a

What is CVE-2015-5309?

CVE-2015-5309 is a medium-severity vulnerability in Opensuse Leap, published on 7 Dec 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.

Weakness: CWE-189

Which versions are affected by CVE-2015-5309?

It affects 3 products.

Products include Opensuse Leap, Opensuse Opensuse, Simon Tatham Putty.

How do I fix CVE-2015-5309?

Upgrade to a fixed version.

Is CVE-2015-5309 being exploited?

There is no known exploitation of CVE-2015-5309 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Leap

• CVE-2015-4902 Oracle Java SE Integrity Check Exploited Medium 5.3
• CVE-2017-14804 package builds could use directory traversal to write outside of target area Critical 9.9
• CVE-2019-20787 Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size. Critical 9.8
• CVE-2019-8341 Code injection in n/a Critical 9.8
• CVE-2019-6438 Other in n/a Critical 9.8

All Opensuse Leap vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-5309, DLA-347-1, DSA-3409-1, GHSA-xf6h-8pvx-cg8q, MGASA-2015-0442.