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mageiaGentoo FoundationMGASA-2020-0238
HistoryMay 27, 2020 - 10:06 p.m.

Updated libexif packages fix security vulnerability

2020-05-2722:06:44
Gentoo Foundation
advisories.mageia.org
7

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

0.003 Low

EPSS

Percentile

67.3%

The updated packages fix a security vulnerability: 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 information disclosure with no additional execution privileges needed. User interaction is needed for exploitation. (CVE-2020-0093) exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error (CVE-2020-12767). An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes (CVE-2020-13112). 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-after-free conditions (CVE-2020-13113). 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 amounts of compute time for decoding EXIF data (CVE-2020-13114). The libexif package has been updated to version 0.6.22, fixing these issues and other bugs. Also, the exif package has been updated to version 0.6.22. See the upstream NEWS files for details.

OSVersionArchitecturePackageVersionFilename
Mageia7noarchlibexif<Β 0.6.22-1libexif-0.6.22-1.mga7
Mageia7noarchexif<Β 0.6.22-1exif-0.6.22-1.mga7

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

0.003 Low

EPSS

Percentile

67.3%