Infinite loop in exiv2 (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-20421 |
| CWE-ID | CWE-835 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
exiv2 (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Infinite loop
EUVDB-ID: #VU28798
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-20421
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the Jp2Image::readMetadata() in jp2image.cpp. A remote attacker can create a specially crafted image file, pass it to the affected application and consume all available system resources or cause denial of service conditions.
MitigationInstall update from vendor's website.
Vulnerable software versionsexiv2 (Alpine package): 0.25-r0 - 0.27.2-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=4b80232f5a78abca62be25e8a44812437d3f11ef
http://git.alpinelinux.org/aports/commit/?id=5f508d129e5e87f82b2c8e85793d0c5302c5ef23
http://git.alpinelinux.org/aports/commit/?id=3e8ab963c14f906a03b0638a994acc710657355b
http://git.alpinelinux.org/aports/commit/?id=f7de796e6aaa9b44eed3b77e1c0e66fff453d454
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.
