CVE-2015-8540
Published: August 31, 2023Last modified: August 31, 2023
Description
Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | syslinux | Not affected (6.04_pre2_git20190206-r6) |
| Stream | syslinux | Not affected (6.04_pre2_git20190206-r10) |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174435.html
- http://sourceforge.net/p/libpng/bugs/244/
- http://sourceforge.net/p/libpng/code/ci/d9006f683c641793252d92254a75ae9b815b42ed/
- http://sourceforge.net/projects/libpng/files/libpng10/1.0.66/
- http://sourceforge.net/projects/libpng/files/libpng12/1.2.56/
- http://sourceforge.net/projects/libpng/files/libpng14/1.4.19/
- http://sourceforge.net/projects/libpng/files/libpng15/1.5.26/
- http://www.debian.org/security/2016/dsa-3443
- http://www.openwall.com/lists/oss-security/2015/12/10/6
- http://www.openwall.com/lists/oss-security/2015/12/10/7
- http://www.openwall.com/lists/oss-security/2015/12/11/1
- http://www.openwall.com/lists/oss-security/2015/12/11/2
- http://www.openwall.com/lists/oss-security/2015/12/17/10
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securityfocus.com/bid/80592
- https://access.redhat.com/errata/RHSA-2016:1430
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201611-08