Information disclosure in libxslt (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-13117 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libxslt (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU18965
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-13117
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to information disclosure in numbers.c in libxslt library where an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. A remote attacker can gain knowledge whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.
MitigationInstall update from vendor's website.
Vulnerable software versionslibxslt (Alpine package): 1.1.33-r0 - 1.1.33-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=27b3948601965509fee472f606c59626221f5398
http://git.alpinelinux.org/aports/commit/?id=6e3bb6bd9e635d4d171d323935e6a9721ef4c740
http://git.alpinelinux.org/aports/commit/?id=b98ba48c0925b8f0093983262b8d3fb122ee97dc
http://git.alpinelinux.org/aports/commit/?id=cab2f7460bc61617445a4f921c14b6b9d8ec0e0a
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.
