Buffer overflow in GNU Screen
CVE-2015-6806
The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.
Vulnerability class: Buffer Overflow
EPSS: 0.041 (89.8th percentile) — read the EPSS interpretation.
Affected products
- Gnu Gnu_screen
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list, x_refsource_MLIST, Exploit)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2015-6806?
- CVE-2015-6806 is a vulnerability in GNU Screen, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-09-28.
- Is CVE-2015-6806 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.