Summary
Jayachandran Palanisamy discovered that the Bind resolver incorrectly
handled fetch cleanup sequencing. A remote attacker could possibly use this
issue to cause Bind to crash, resulting in a denial of service.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | bind9 | 1:9.9.5.dfsg-3ubuntu0.17 |
| Ubuntu · 16.04 LTS 16.04:LTS | bind9 | 1:9.10.3.dfsg.P4-8ubuntu1.10 |
Vulnerabilities 1
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High 7.5CVE-2017-3145 EPSS 28%
Improper fetch cleanup sequencing in the resolver can cause named to crash
BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9…
References
-
report
https://ubuntu.com/security/CVE-2017-3145