Input validation error in libpng (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-8472 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
libpng (Alpine package) Operating systems & Components / Operating system package or component IBM Tivoli Storage Manager Server applications / File servers (FTP/HTTP) |
| Vendor |
Alpine Linux Development Team IBM Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU32352
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2015-8472
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (application crash) or possibly have unspecified other impact via a small bit-depth value in an IHDR (aka image header) chunk in a PNG image.
MitigationInstall update from vendor's website.
Vulnerable software versionslibpng (Alpine package): 1.2.39-r0 - 1.6.19-r0
IBM Tivoli Storage Manager: before 6.3.1.2
libpng (Alpine package): before 30.0-0ubuntu4
libpng (Alpine package): before 2.0.0.1020
libpng (Alpine package): before 6.0.2 11B651
libpng (Alpine package): before 2.6
CPE2.3- cpe:2.3:a:alpine:libpng_alpine_package:1.2.39-r0:*:*:*:*:alpine_linux:*:1.9
- cpe:2.3:a:alpine:libpng_alpine_package:1.4.0-r0:*:*:*:*:alpine_linux:*:1.9
- cpe:2.3:a:alpine:libpng_alpine_package:1.4.3-r0:*:*:*:*:alpine_linux:*:1.10
- cpe:2.3:a:ibm_corporation:ibm_tivoli_storage_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:alpine:libpng_alpine_package:*:*:*:*:*:alpine_linux:*:*
- cpe:2.3:a:alpine:libpng_alpine_package:*:*:*:*:*:alpine_linux:*:*
- cpe:2.3:a:alpine:libpng_alpine_package:*:*:*:*:*:alpine_linux:*:*
- cpe:2.3:a:alpine:libpng_alpine_package:*:*:*:*:*:alpine_linux:*:*
https://git.alpinelinux.org/aports/commit/?id=c1e9d0a871f4db90160910973fecde6305aaaa8b
https://git.alpinelinux.org/aports/commit/?id=356110cbe08eb727605e9a89794ce7e0dc4feb0f
https://git.alpinelinux.org/aports/commit/?id=2ecb1a888cd5313a5f64513686454b72bcd0d2bc
https://git.alpinelinux.org/aports/commit/?id=d692ac089eba175ea2e505433f484898c5adaf43
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
