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Package "libexif-doc"

Name: libexif-doc

Description:

library to parse EXIF files (documentation)
Latest version: 0.6.21-4ubuntu0.6
Release: bionic (18.04)
Level: security
Repository: main
Head package: libexif
Homepage: http://libexif.sourceforge.net/

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Repository Area Version
updates main 0.6.21-4ubuntu0.6

Changelog

Version: 0.6.21-4ubuntu0.6 2020-11-10 14:06:21 UTC

  libexif (0.6.21-4ubuntu0.6) bionic-security; urgency=medium

  * SECURITY UPDATE: Buffer overflow
    - debian/patches/CVE-2020-0452.patch: fixed a incorrect overflow check that could be
      optimized away in libexif/exif-entry.c.
    - CVE-2020-0452

 -- <email address hidden> (Leonidas S. Barbosa) Fri, 06 Nov 2020 12:07:28 -0300
Source diff to previous version
CVE-2020-0452 libexif overflow check could be optimized away

Version: 0.6.21-4ubuntu0.5 2020-06-16 15:06:52 UTC

  libexif (0.6.21-4ubuntu0.5) bionic-security; urgency=medium

  * SECURITY UPDATE: Out of bounds read
    - debian/patches/CVE-2020-0093.patch: fix read
      buffer overflow making sure the number of bytes being
      copied from does not exceed the source buffer size in
      libexif/exif-data.c.
    - CVE-2020-0093
  * SECURITY UPDATE: Out of bounds read
    - debian/patches/CVE-2020-13112.patch: fix MakerNote tag size
      overflow check for a size overflow while reading tags in
      libexif/canon/exif-mnote-data-canon.c,
      libexif/fuji/exif/mnote-data-fuji.c,
      libexif/olympus/exif-mnote-data-olympus.c,
      libexif/pentax/exif-mnote-data-pentax.c.
    - CVE-2020-13112
  * SECURITY UPDATE: Possibly crash and potential use-after-free
    - debian/patches/CVE-2020-13113.patch: ensures that an uninitialized
      pointer is not dereferenced later in the case where the number of
      components is 0 in libexif/canon/exif-mnote-data-canon.c,
      libexif/fuji/exif-mnote-data-fuji.c,
      libexif/olympus/exif-mnote-data-olympus.c,
      libexif/pentax/exif-mnote-data-pentax.
    - CVE-2020-13113
  * SECURITY UPDATE: Denial of service
    - debian/patches/CVE-2020-13114.patch: add a failsafe on the
      maximum number of Canon MakerNote subtags in
      libexif/canon/exif-mnote-data-canon.c.
    - CVE-2020-13114
  * SECURITY UPDATE: Out of bounds read
    - debian/patches/CVE-2020-0182.patch: fix a buffer read
      overflow in exif_entry_get_value in libexif/exif-entry.c.
    - CVE-2020-0182
  * SECURITY UPDATE: Integer overflow
    - debian/patches/CVE-2020-0198.patch: fix unsigned integer overflow
      in libexif/exif-data.c.
    - CVE-2020-0198

 -- <email address hidden> (Leonidas S. Barbosa) Mon, 08 Jun 2020 13:31:12 -0300
Source diff to previous version
CVE-2020-0093 In exif_data_save_data_entry of exif-data.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local informati
CVE-2020-13112 An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crash
CVE-2020-13113 An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-afte
CVE-2020-13114 An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amoun
CVE-2020-0182 In exif_entry_get_value of exif-entry.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information d
CVE-2020-0198 In exif_data_load_data_content of exif-data.c, there is a possible UBSAN abort due to an integer overflow. This could lead to remote denial of servic

Version: 0.6.21-4ubuntu0.2 2020-05-13 15:07:06 UTC

  libexif (0.6.21-4ubuntu0.2) bionic-security; urgency=medium

  * SECURITY UPDATE: Denial of service
    - debian/patches/CVE-2018-20030.patch: improve deep recursion detection
      in exif_data_load_data_content in libexif/exif-data.c.
    - CVE-2018-20030
  * SECURITY UPDATE: Divinding by zero vulnerability
    - debian/patches/CVE-2020-12767.patch: check if d variable is not zeroed
      before use it in libexif/exif-entry.c
    - CVE-2020-12767

 -- <email address hidden> (Leonidas S. Barbosa) Mon, 11 May 2020 13:39:03 -0300
Source diff to previous version
CVE-2018-20030 An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU
CVE-2020-12767 exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error.

Version: 0.6.21-4ubuntu0.1 2020-02-11 19:06:37 UTC

  libexif (0.6.21-4ubuntu0.1) bionic-security; urgency=medium

  * SECURITY UPDATE: Out of bounds write
    - debian/patches/CVE-2019-9278.patch: avoid the use of unsafe int overflow
      checking constructs and check for the actual sizes to avoid integer
      overflows in libexif/exif-data.c.
    - CVE-2019-9278

 -- <email address hidden> (Leonidas S. Barbosa) Tue, 11 Feb 2020 09:15:03 -0300
CVE-2019-9278 In libexif, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege in the media conten


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