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Message #07801
[Bug 1594748] Re: CRYPTO_set_mem_functions() is broken
This bug was fixed in the package openssl - 1.0.2g-1ubuntu4.4
---------------
openssl (1.0.2g-1ubuntu4.4) xenial-security; urgency=medium
* SECURITY UPDATE: Pointer arithmetic undefined behaviour
- debian/patches/CVE-2016-2177.patch: avoid undefined pointer
arithmetic in ssl/s3_srvr.c, ssl/ssl_sess.c, ssl/t1_lib.c.
- CVE-2016-2177
* SECURITY UPDATE: Constant time flag not preserved in DSA signing
- debian/patches/CVE-2016-2178-*.patch: preserve BN_FLG_CONSTTIME in
crypto/dsa/dsa_ossl.c.
- CVE-2016-2178
* SECURITY UPDATE: DTLS buffered message DoS
- debian/patches/CVE-2016-2179.patch: fix queue handling in
ssl/d1_both.c, ssl/d1_clnt.c, ssl/d1_lib.c, ssl/d1_srvr.c,
ssl/ssl_locl.h.
- CVE-2016-2179
* SECURITY UPDATE: OOB read in TS_OBJ_print_bio()
- debian/patches/CVE-2016-2180.patch: fix text handling in
crypto/ts/ts_lib.c.
- CVE-2016-2180
* SECURITY UPDATE: DTLS replay protection DoS
- debian/patches/CVE-2016-2181-1.patch: properly handle unprocessed
records in ssl/d1_pkt.c.
- debian/patches/CVE-2016-2181-2.patch: protect against replay attacks
in ssl/d1_pkt.c, ssl/ssl.h, ssl/ssl_err.c.
- debian/patches/CVE-2016-2181-3.patch: update error code in ssl/ssl.h.
- CVE-2016-2181
* SECURITY UPDATE: OOB write in BN_bn2dec()
- debian/patches/CVE-2016-2182.patch: don't overflow buffer in
crypto/bn/bn_print.c.
- CVE-2016-2182
* SECURITY UPDATE: SWEET32 Mitigation
- debian/patches/CVE-2016-2183.patch: move DES ciphersuites from HIGH
to MEDIUM in ssl/s3_lib.c.
- CVE-2016-2183
* SECURITY UPDATE: Malformed SHA512 ticket DoS
- debian/patches/CVE-2016-6302.patch: sanity check ticket length in
ssl/t1_lib.c.
- CVE-2016-6302
* SECURITY UPDATE: OOB write in MDC2_Update()
- debian/patches/CVE-2016-6303.patch: avoid overflow in
crypto/mdc2/mdc2dgst.c.
- CVE-2016-6303
* SECURITY UPDATE: OCSP Status Request extension unbounded memory growth
- debian/patches/CVE-2016-6304.patch: remove OCSP_RESPIDs from previous
handshake in ssl/t1_lib.c.
- CVE-2016-6304
* SECURITY UPDATE: Certificate message OOB reads
- debian/patches/CVE-2016-6306-1.patch: check lengths in ssl/s3_clnt.c,
ssl/s3_srvr.c.
- debian/patches/CVE-2016-6306-2.patch: make message buffer slightly
larger in ssl/d1_both.c, ssl/s3_both.c.
- CVE-2016-6306
-- Marc Deslauriers <marc.deslauriers@xxxxxxxxxx> Thu, 22 Sep 2016
08:22:22 -0400
** Changed in: openssl (Ubuntu Xenial)
Status: Fix Committed => Fix Released
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2177
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2178
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2179
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2180
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2181
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2182
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2183
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-6302
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-6303
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-6304
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-6306
--
You received this bug notification because you are a member of नेपाली
भाषा समायोजकहरुको समूह, which is subscribed to Xenial.
Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1594748
Title:
CRYPTO_set_mem_functions() is broken
Status in OpenSSL:
Unknown
Status in openssl package in Ubuntu:
Fix Released
Status in openssl source package in Xenial:
Fix Released
Bug description:
Description: Ubuntu 16.04 LTS
Release: 16.04
openssl:
Installed: 1.0.2g-1ubuntu4.1
Candidate: 1.0.2g-1ubuntu4.1
Version table:
*** 1.0.2g-1ubuntu4.1 500
500 http://fi.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
100 /var/lib/dpkg/status
1.0.2g-1ubuntu4 500
500 http://fi.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
CRYPTO_set_mem_functions() always returns 0 because library
initialization already calls CRYPTO_malloc() and disables it:
#0 CRYPTO_malloc (num=num@entry=1168, file=file@entry=0x7ffff70ae02c "fips_drbg_lib.c",
line=line@entry=106) at mem.c:329
#1 0x00007ffff70596df in FIPS_drbg_new (type=type@entry=0, flags=flags@entry=0)
at fips_drbg_lib.c:106
#2 0x00007ffff705aeb9 in FIPS_drbg_health_check (
dctx=dctx@entry=0x7ffff731c960 <ossl_dctx>) at fips_drbg_selftest.c:760
#3 0x00007ffff70595f0 in FIPS_drbg_init (dctx=dctx@entry=0x7ffff731c960 <ossl_dctx>,
type=<optimized out>, flags=<optimized out>) at fips_drbg_lib.c:94
#4 0x00007ffff6fe38f3 in RAND_init_fips () at rand_lib.c:287
#5 0x00007ffff6f26f7a in OPENSSL_init_library () at o_init.c:119
#6 0x00007ffff7de74ea in call_init (l=<optimized out>, argc=argc@entry=1,
argv=argv@entry=0x7fffffffe5e8, env=env@entry=0x7fffffffe5f8) at dl-init.c:72
#7 0x00007ffff7de75fb in call_init (env=0x7fffffffe5f8, argv=0x7fffffffe5e8, argc=1,
l=<optimized out>) at dl-init.c:30
#8 _dl_init (main_map=main_map@entry=0x640380, argc=1, argv=0x7fffffffe5e8,
env=0x7fffffffe5f8) at dl-init.c:120
This doesn't happen in upstream OpenSSL or in Debian's OpenSSL.
Looking at the patches, this is caused by FIPS_drbg_init() in
openssl-1.0.2g-fips.patch:
+ if (!(dctx->xflags & DRBG_FLAG_TEST)) {
+ if (!FIPS_drbg_health_check(dctx)) {
+ FIPSerr(FIPS_F_FIPS_DRBG_INIT, FIPS_R_SELFTEST_FAILURE);
+ return 0;
+ }
+ }
I don't want any FIPS mode enabled though, so does it really even need
to call RAND_init_fips() then?
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