RepoMirrors/musl
1
0
Fork 0
mirror of git://git.musl-libc.org/musl synced 2024-12-18 21:05:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix one-byte overflow in legacy getpass function

Browse Source 
if the length of the input was equal to the buffer size (128), a fixed
value of zero was written one byte past the end of the static buffer.
This commit is contained in:
Rich Felker 2017-03-14 15:13:16 -04:00
parent 733d1ea759
commit 3ec8b3aeb8
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/legacy/getpass.c
View File

@ -27,7 +27,7 @@ char *getpass(const char *prompt)
l = read(fd, password, sizeof password); l = read(fd, password, sizeof password);
if (l >= 0) { if (l >= 0) {
if (l > 0 && password[l-1] == '\n') l--; if (l > 0 && password[l-1] == '\n' || l==sizeof password) l--;
password[l] = 0; password[l] = 0;
} }