From 31e4f404c218eae7ba999c4df5346d30f971451c Mon Sep 17 00:00:00 2001
From: Adeel Mujahid <3840695+am11@users.noreply.github.com>
Date: Fri, 20 Jan 2023 21:19:11 +0200
Subject: [PATCH] Append version to RID only with valid characters (#80901)

* Append version to RID only with valid characters

* Handle empty version case
---
 src/native/corehost/hostmisc/pal.unix.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/native/corehost/hostmisc/pal.unix.cpp b/src/native/corehost/hostmisc/pal.unix.cpp
index f1ad41ac104c9..fafcb90d679f0 100644
--- a/src/native/corehost/hostmisc/pal.unix.cpp
+++ b/src/native/corehost/hostmisc/pal.unix.cpp
@@ -842,8 +842,13 @@ pal::string_t pal::get_current_os_rid_platform()
                     size_t pos = line.find(strVersionID);
                     if ((pos != std::string::npos) && (pos == 0))
                     {
-                        valVersionID.append(line.substr(11));
-                        fFoundVersion = true;
+                        pal::string_t version = line.substr(11);
+                        // check if version characters are valid (quotes are trimmed at a later stage)
+                        if (!version.empty() && version.find_first_not_of("0123456789.\"'") == std::string::npos)
+                        {
+                            valVersionID.append(version);
+                            fFoundVersion = true;
+                        }
                     }
                 }