Handle NULL input to protover_compute_for_old_tor()

Fixes bug 24245; bugfix on 0.2.9.4-alpha. TROVE-2017-010.
This commit is contained in:
Nick Mathewson
2017-11-11 13:56:35 -05:00
parent 9666c620d5
commit 2c0487ecfb
2 changed files with 11 additions and 0 deletions
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o Major bugfixes (security):
- Fix a denial-of-service issue where an attacker could crash
a directory authority using a malformed router descriptor.
Fixes bug 24245; bugfix on 0.2.9.4-alpha. Also tracked
as TROVE-2017-010 and CVE-2017-8820.