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- Use explicit bzero for wiping clear buffer of hash in cachedb,

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reported by Eric Sesterhenn from X41 D-Sec.
This commit is contained in:
W.C.A. Wijngaards 2019-09-11 15:31:03 +02:00
parent e45e9f1ce0
commit 13d96540de
2 changed files with 8 additions and 0 deletions
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4
cachedb/cachedb.c
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@ -349,7 +349,11 @@ calc_hash(struct module_qstate* qstate, char* buf, size_t len)
/* hash the buffer */
secalgo_hash_sha256(clear, clen, hash);
#ifdef HAVE_EXPLICIT_BZERO
explicit_bzero(clear, clen);
#else
memset(clear, 0, clen);
#endif
/* hex encode output for portability (some online dbs need
* no nulls, no control characters, and so on) */

4
doc/Changelog
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@ -1,3 +1,7 @@
11 September 2019: Wouter
- Use explicit bzero for wiping clear buffer of hash in cachedb,
reported by Eric Sesterhenn from X41 D-Sec.
9 September 2019: Wouter
- Fix #72: configure --with-syslog-facility=LOCAL0-7 with default
LOG_DAEMON (as before) can set the syslog facility that the server