Vulnerability · Published Sep 9, 2020 · Assigned by mitre
CVE-2020-25219
High 7.5
In plain English
A high-severity security flaw in the libproxy package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.4% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.4%top 8.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | libproxy | 0.4.15-r8 | ALPINE-CVE-2020-25219 |
| Alpine:v3.21 | libproxy | 0.4.15-r8 | ALPINE-CVE-2020-25219 |
| Alpine:v3.22 | libproxy | 0.4.15-r8 | ALPINE-CVE-2020-25219 |
| Alpine:v3.23 | libproxy | 0.4.15-r8 | ALPINE-CVE-2020-25219 |
| Alpine:v3.24 | libproxy | 0.4.15-r8 | ALPINE-CVE-2020-25219 |
| Debian:12 | libproxy | 0.4.15-15 | DEBIAN-CVE-2020-25219 |
| Debian:13 | libproxy | 0.4.15-15 | DEBIAN-CVE-2020-25219 |
| Debian:14 | libproxy | 0.4.15-15 | DEBIAN-CVE-2020-25219 |
Affected products (as reported)
References
- https://github.com/libproxy/libproxy/issues/134 x_refsource_MISC
- [debian-lts-announce] 20200912 [SECURITY] [DLA 2372-1] libproxy security update mailing-list, x_refsource_MLIST
- USN-4514-1 vendor-advisory, x_refsource_UBUNTU
- FEDORA-2020-2407cb0512 vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-f92d372cf1 vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-7e1e9abf77 vendor-advisory, x_refsource_FEDORA
- openSUSE-SU-2020:1676 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1680 vendor-advisory, x_refsource_SUSE
- DSA-4800 vendor-advisory, x_refsource_DEBIAN