SB2017042524 - Division by zero in tiff (Alpine package)
Published: April 25, 2017
Security Bulletin ID
SB2017042524
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Division by zero (CVE-ID: CVE-2017-7595)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to divide-by-zero error within The JPEGSetupEncode function in tiff_jpeg.c in LibTIFF 4.0.7. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a crafted image.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=ea14bc786962a30f943aea7ceceb4804f7b5ec9a
- https://git.alpinelinux.org/aports/commit/?id=6fc5e083a79961213cb7151c39372e5dee115a45
- https://git.alpinelinux.org/aports/commit/?id=b782af4d8b8c365ef6b066128f905e5ba580cc5b
- https://git.alpinelinux.org/aports/commit/?id=f27c940eb7d081d6b511176fe4e0a8c1b131a2de
- https://git.alpinelinux.org/aports/commit/?id=ff2e7d109f90f775c735acb314bf37b0008f428c
- https://git.alpinelinux.org/aports/commit/?id=09b187444459efedfd8a766c4883fcd6867d203d
- https://git.alpinelinux.org/aports/commit/?id=018ecfdea887aa04eb330fe2210c4846a8a38653
- https://git.alpinelinux.org/aports/commit/?id=4a95ad60e8095c301cba376cf24886a801e34261
- https://git.alpinelinux.org/aports/commit/?id=b39c44a524a6e619c9858717cca0a65e6c2e5873
- https://git.alpinelinux.org/aports/commit/?id=dd8f891e03d6c9f13592cb40f786b4528af87e68
- https://git.alpinelinux.org/aports/commit/?id=e15563722661317524ce09b3698bdb765f165d9b