New libexif packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.

According to the version of the libexif package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - libexif through 0.6.21 is vulnerable to out-of-bounds     heap read vulnerability in exif_data_save_data_entry     function in libexif/exif-data.c caused by improper     length computation of the allocated data of an     ExifMnote entry which can cause denial-of-service or     possibly information disclosure.(CVE-2017-7544)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

New upstream release. It largely contains stability, security and bugfixes. Some EXIF 2.3 tags have been added. See also:
https://github.com/libexif/libexif/releases/tag/libexif-0_6_22-release

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for libexif fixes the following security issue :

  - CVE-2017-7544: Fixed out-of-bounds heap read     vulnerability in exif_data_save_data_entry function in     libexif/exif-data.c caused by improper length     computation of the allocated data of an ExifMnote entry     which can cause denial-of-service or possibly     information disclosure (bsc#1059893)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for libexif to 0.6.22 fixes the following issues :

Security issues fixed :

  - CVE-2016-6328: Fixed an integer overflow in parsing     MNOTE entry data of the input file (bsc#1055857).

  - CVE-2017-7544: Fixed an out-of-bounds heap read     vulnerability in exif_data_save_data_entry function in     libexif/exif-data.c (bsc#1059893).

  - CVE-2018-20030: Fixed a denial of service by endless     recursion (bsc#1120943).

  - CVE-2019-9278: Fixed an integer overflow (bsc#1160770).

  - CVE-2020-0093: Fixed an out-of-bounds read in     exif_data_save_data_entry (bsc#1171847).

  - CVE-2020-12767: Fixed a divide-by-zero error in     exif_entry_get_value (bsc#1171475).

  - CVE-2020-13112: Fixed a time consumption DoS when     parsing canon array markers (bsc#1172121).

  - CVE-2020-13113: Fixed a potential use of uninitialized     memory (bsc#1172105).

  - CVE-2020-13114: Fixed various buffer overread fixes due     to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed :

  - libexif was updated to version 0.6.22 :

  - New translations: ms

  - Updated translations for most languages

  - Some useful EXIF 2.3 tag added :

  - EXIF_TAG_GAMMA

  - EXIF_TAG_COMPOSITE_IMAGE

  - EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE

  - EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE

  - EXIF_TAG_GPS_H_POSITIONING_ERROR

  - EXIF_TAG_CAMERA_OWNER_NAME

  - EXIF_TAG_BODY_SERIAL_NUMBER

  - EXIF_TAG_LENS_SPECIFICATION

  - EXIF_TAG_LENS_MAKE

  - EXIF_TAG_LENS_MODEL

  - EXIF_TAG_LENS_SERIAL_NUMBER

This update was imported from the SUSE:SLE-15:Update update project.

This update for libexif to 0.6.22 fixes the following issues :

Security issues fixed :

CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).

CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).

CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).

CVE-2019-9278: Fixed an integer overflow (bsc#1160770).

CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).

CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).

CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).

CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).

CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed :

libexif was updated to version 0.6.22 :

  - New translations: ms

  - Updated translations for most languages

  - Some useful EXIF 2.3 tag added :

  - EXIF_TAG_GAMMA

  - EXIF_TAG_COMPOSITE_IMAGE

  - EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE

  - EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE

  - EXIF_TAG_GPS_H_POSITIONING_ERROR

  - EXIF_TAG_CAMERA_OWNER_NAME

  - EXIF_TAG_BODY_SERIAL_NUMBER

  - EXIF_TAG_LENS_SPECIFICATION

  - EXIF_TAG_LENS_MAKE

  - EXIF_TAG_LENS_MODEL

  - EXIF_TAG_LENS_SERIAL_NUMBER

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Various vulnerabilities have been addressed in libexif, a library to parse EXIF metadata files.

CVE-2016-6328

An integer overflow when parsing the MNOTE entry data of the input file had been found. This could have caused denial of service (DoS) and Information Disclosure (disclosing some critical heap chunk metadata, even other applications' private data).

CVE-2017-7544

libexif had been vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which could have caused denial of service or possibly information disclosure.

CVE-2018-20030

An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version could have been exploited to exhaust available CPU resources.

CVE-2020-0093

In exif_data_save_data_entry of exif-data.c, there was a possible out of bounds read due to a missing bounds check. This could have lead to local information disclosure with no additional execution privileges needed. User interaction was needed for exploitation.

CVE-2020-12767

libexif had a divide-by-zero error in exif_entry_get_value in exif-entry.c

For Debian 8 'Jessie', these problems have been fixed in version 0.6.21-2+deb8u2.

We recommend that you upgrade your libexif packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for libexif fixes the following issues :

Security issues fixed :

CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).

CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).

CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).

CVE-2019-9278: Fixed an integer overflow (bsc#1160770).

CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).

CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).

CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).

CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).

CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed :

libexif was updated to version 0.6.22 :

  - New translations: ms

  - Updated translations for most languages

  - Some useful EXIF 2.3 tag added :

  - EXIF_TAG_GAMMA

  - EXIF_TAG_COMPOSITE_IMAGE

  - EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE

  - EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE

  - EXIF_TAG_GPS_H_POSITIONING_ERROR

  - EXIF_TAG_CAMERA_OWNER_NAME

  - EXIF_TAG_BODY_SERIAL_NUMBER

  - EXIF_TAG_LENS_SPECIFICATION

  - EXIF_TAG_LENS_MAKE

  - EXIF_TAG_LENS_MODEL

  - EXIF_TAG_LENS_SERIAL_NUMBER

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for libexif fixes several issues.

These security issues were fixed :

  - CVE-2016-6328: Fixed integer overflow in parsing MNOTE     entry data of the input file (bsc#1055857)

  - CVE-2017-7544: Fixed out-of-bounds heap read     vulnerability in exif_data_save_data_entry function in     libexif/exif-data.c caused by improper length     computation of the allocated data of an ExifMnote entry     which can cause denial-of-service or possibly     information disclosure (bsc#1059893)

This update was imported from the SUSE:SLE-12:Update update project.

This update for libexif fixes several issues. These security issues were fixed :

  - CVE-2016-6328: Fixed integer overflow in parsing MNOTE     entry data of the input file (bsc#1055857)

  - CVE-2017-7544: Fixed out-of-bounds heap read     vulnerability in exif_data_save_data_entry function in     libexif/exif-data.c caused by improper length     computation of the allocated data of an ExifMnote entry     which can cause denial-of-service or possibly     information disclosure (bsc#1059893)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Liu Bingchang discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS.
(CVE-2016-6328)

Lili Xu and Bingchang Liu discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS.
(CVE-2017-7544)

It was discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-9278).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
136729	Slackware 14.0 / 14.1 / 14.2 / current : libexif (SSA:2020-140-02)	Nessus	Slackware Local Security Checks	5/20/2020	3/12/2024	critical
104329	EulerOS 2.0 SP1 : libexif (EulerOS-SA-2017-1276)	Nessus	Huawei Local Security Checks	11/2/2017	1/6/2021	critical
137787	Fedora 31 : libexif (2020-085150ac6e)	Nessus	Fedora Local Security Checks	6/25/2020	3/6/2024	critical
106344	SUSE SLES11 Security Update : libexif (SUSE-SU-2018:0195-1)	Nessus	SuSE Local Security Checks	1/25/2018	1/19/2021	critical
104330	EulerOS 2.0 SP2 : libexif (EulerOS-SA-2017-1277)	Nessus	Huawei Local Security Checks	11/2/2017	1/6/2021	critical
137392	openSUSE Security Update : libexif (openSUSE-2020-793)	Nessus	SuSE Local Security Checks	6/12/2020	3/7/2024	critical
137592	SUSE SLED15 / SLES15 Security Update : libexif (SUSE-SU-2020:1553-1)	Nessus	SuSE Local Security Checks	6/18/2020	3/6/2024	critical
136674	Debian DLA-2214-1 : libexif security update	Nessus	Debian Local Security Checks	5/18/2020	3/12/2024	critical
137584	SUSE SLES12 Security Update : libexif (SUSE-SU-2020:1534-1)	Nessus	SuSE Local Security Checks	6/18/2020	3/6/2024	critical
106325	openSUSE Security Update : libexif (openSUSE-2018-86)	Nessus	SuSE Local Security Checks	1/25/2018	1/19/2021	critical
138264	SUSE SLED15 / SLES15 Security Update : libexif (SUSE-SU-2020:1553-2)	Nessus	SuSE Local Security Checks	7/9/2020	3/1/2024	critical
106343	SUSE SLED12 / SLES12 Security Update : libexif (SUSE-SU-2018:0193-1)	Nessus	SuSE Local Security Checks	1/25/2018	1/13/2021	critical
133649	Ubuntu 16.04 LTS / 18.04 LTS : libexif vulnerabilities (USN-4277-1)	Nessus	Ubuntu Local Security Checks	2/12/2020	10/20/2023	critical

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