lp:ubuntu/lucid-proposed/openssl

Created by James Westby on 2010-08-18 and last modified on 2013-06-03
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Owner:
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Review team:
Ubuntu Development Team
Status:
Mature

Recent revisions

54. By Seth Arnold on 2013-06-03

* SECURITY UPDATE: Disable compression to avoid CRIME systemwide
  (LP: #1187195)
  - CVE-2012-4929
  - debian/patches/openssl-1.0.1e-env-zlib.patch: disable default use of
    zlib to compress SSL/TLS unless the environment variable
    OPENSSL_DEFAULT_ZLIB is set in the environment during library
    initialization.
  - Introduced to assist with programs not yet updated to provide their own
    controls on compression, such as Postfix
  - http://pkgs.fedoraproject.org/cgit/openssl.git/plain/openssl-1.0.1e-env-zlib.patch

53. By Marc Deslauriers on 2013-02-18

* SECURITY UPDATE: denial of service via invalid OCSP key
  - debian/patches/CVE-2013-0166.patch: properly handle NULL key in
    crypto/asn1/a_verify.c, crypto/ocsp/ocsp_vfy.c.
  - CVE-2013-0166
* SECURITY UPDATE: "Lucky Thirteen" timing side-channel TLS attack
  - debian/patches/CVE-2013-0169.patch: massive code changes
  - CVE-2013-0169

52. By Steve Beattie on 2012-05-22

* SECURITY UPDATE: denial of service attack in DTLS implementation
  - debian/patches/CVE_2012-2333.patch: guard for integer overflow
    before skipping explicit IV
  - CVE-2012-2333
* SECURITY UPDATE: million message attack (MMA) in CMS and PKCS #7
  - debian/patches/CVE-2012-0884.patch: use a random key if RSA
    decryption fails to avoid leaking timing information
  - CVE-2012-0884
* debian/patches/CVE-2012-0884-extra.patch: detect symmetric crypto
  errors in PKCS7_decrypt and initialize tkeylen properly when
  encrypting CMS messages.

51. By Jamie Strandboge on 2012-04-24

* SECURITY UPDATE: incomplete fix for CVE-2012-2110
  - debian/patches/CVE-2012-2131.patch: also verify 'len' in BUF_MEM_grow
    and BUF_MEM_grow_clean is non-negative
  - CVE-2012-2131
* debian/patches/CVE-2012-2110b.patch: Use correct error code in
  BUF_MEM_grow_clean()

50. By Jamie Strandboge on 2012-04-19

* SECURITY UPDATE: NULL pointer dereference in S/MIME messages with broken
  headers
  - debian/patches/CVE-2006-7250+2012-1165.patch: adjust mime_hdr_cmp()
    and mime_param_cmp() to not dereference the compared strings if either
    is NULL
  - CVE-2006-7250
  - CVE-2012-1165
* SECURITY UPDATE: fix various overflows
  - debian/patches/CVE-2012-2110.patch: adjust crypto/a_d2i_fp.c,
    crypto/buffer.c and crypto/mem.c to verify size of lengths
  - CVE-2012-2110

49. By Steve Beattie on 2012-01-31

* SECURITY UPDATE: ECDSA private key timing attack
  - debian/patches/CVE-2011-1945.patch: compute with fixed scalar
    length
  - CVE-2011-1945
* SECURITY UPDATE: ECDH ciphersuite denial of service
  - debian/patches/CVE-2011-3210.patch: fix memory usage for thread
    safety
  - CVE-2011-3210
* SECURITY UPDATE: DTLS plaintext recovery attack
  - debian/patches/CVE-2011-4108.patch: perform all computations
    before discarding messages
  - CVE-2011-4108
* SECURITY UPDATE: policy check double free vulnerability
  - debian/patches/CVE-2011-4019.patch: only free domain policyin
    one location
  - CVE-2011-4019
* SECURITY UPDATE: SSL 3.0 block padding exposure
  - debian/patches/CVE-2011-4576.patch: clear bytes used for block
    padding of SSL 3.0 records.
  - CVE-2011-4576
* SECURITY UPDATE: malformed RFC 3779 data denial of service attack
  - debian/patches/CVE-2011-4577.patch: prevent malformed RFC3779
    data from triggering an assertion failure
  - CVE-2011-4577
* SECURITY UPDATE: Server Gated Cryptography (SGC) denial of service
  - debian/patches/CVE-2011-4619.patch: Only allow one SGC handshake
    restart for SSL/TLS.
  - CVE-2011-4619
* SECURITY UPDATE: fix for CVE-2011-4108 denial of service attack
  - debian/patches/CVE-2012-0050.patch: improve handling of DTLS MAC
  - CVE-2012-0050
* debian/patches/openssl-fix_ECDSA_tests.patch: fix ECDSA tests
* debian/libssl0.9.8.postinst: Only issue the reboot notification for
  servers by testing that the X server is not running (LP: #244250)

48. By Steve Beattie on 2011-02-09

* SECURITY UPDATE: OCSP stapling vulnerability
  - debian/patched/openssl-CVE-2011-0014-secadv_20110208.patch:
    stricter parsing of ClientHello message in ssl/t1_lib.c
  - CVE-2011-0014
* Forward TLS version interop patch
  - debian/patches/openssl-forward-interop.patch
  - Handle TLS versions 2.0 and later properly and correctly use
    the highest version of TLS/SSL supported. Although TLS >=
    2.0 is some way off ancient servers have a habit of sticking
    around for a while...
    [Steve Henson]

47. By Steve Beattie on 2010-12-03

* SECURITY UPDATE: ciphersuite downgrade vulnerability
  - openssl-CVE-2010-4180-secadv_20101202-0.9.8.patch:
    disable workaround for Netscape cipher suite bug in ssl/s3_clnt.c
    and ssl/s3_srvr.c
  - CVE-2010-4180

46. By Steve Beattie on 2010-11-16

* SECURITY UPDATE: TLS race condition leading to a buffer overflow and
  possible code execution. (LP: #676243)
  - patches/debian/openssl-CVE-2010-3864-secadv_20101116-0.9.8.patch:
    stricter NULL/not-NULL checking in ssl/t1_lib.c
  - CVE-2010-3864

45. By Marc Deslauriers on 2010-10-06

* SECURITY UPDATE: denial of service and possible code execution via
  crafted private key with an invalid prime.
  - debian/patches/CVE-2010-2939.patch: set bn_ctx to NULL after freeing
    it in ssl/s3_clnt.c.
  - CVE-2010-2939

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