Infinite loop in libxml2 (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7595 |
| CWE-ID | CWE-835 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libxml2 (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: #VU24488
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-7595
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 in xmlStringLenDecodeEntities in parser.c. A remote attacker can consume all available system resources and cause denial of service conditions in a certain end-of-file situation.
MitigationInstall update from vendor's website.
Vulnerable software versionslibxml2 (Alpine package): 2.9.1-r0 - 2.9.10-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=1647bdc21ffc22aacee5ea142d372445d1fd5b03
http://git.alpinelinux.org/aports/commit/?id=5e57be93778177ca048236091d2814a4ad205903
http://git.alpinelinux.org/aports/commit/?id=76958c600547909509a0352cfbfd9d329ff49da9
http://git.alpinelinux.org/aports/commit/?id=f70c7aa335da7bafa60d0834ba1b57b9fd5c732c
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.
