There is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A crafted input will lead to a remote denial of service attack.
Weakness
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ncurses | Gnu | 6.0 (including) | 6.0 (including) |
| Ncurses | Ubuntu | artful | * |
| Ncurses | Ubuntu | esm-infra-legacy/trusty | * |
| Ncurses | Ubuntu | esm-infra/xenial | * |
| Ncurses | Ubuntu | precise/esm | * |
| Ncurses | Ubuntu | trusty | * |
| Ncurses | Ubuntu | trusty/esm | * |
| Ncurses | Ubuntu | upstream | * |
| Ncurses | Ubuntu | vivid/ubuntu-core | * |
| Ncurses | Ubuntu | xenial | * |
| Ncurses | Ubuntu | zesty | * |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1484274
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201804-13
- https://bugzilla.redhat.com/show_bug.cgi?id=1484274
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201804-13