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Merge branch 'trove-2017-010_029' into maint-0.2.9

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This commit is contained in:
Nick Mathewson 2017-11-30 12:07:26 -05:00
commit 52d7af631c
2 changed files with 11 additions and 0 deletions
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6
changes/trove-2017-010 Normal file
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@ -0,0 +1,6 @@
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.

5
src/or/protover.c
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@ -694,6 +694,11 @@ protocol_list_contains(const smartlist_t *protos,
const char *
protover_compute_for_old_tor(const char *version)
{
if (version == NULL) {
/* No known version; guess the oldest series that is still supported. */
version = "0.2.5.15";
}
if (tor_version_as_new_as(version,
FIRST_TOR_VERSION_TO_ADVERTISE_PROTOCOLS)) {
return "";